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There's liquid on Titan, Saturn's largest moon. But something's missing and scientists are confused
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NASA's Lucy probe captures 1st close-up images of asteroid Donaldjohanson, revealing 'strikingly complicated geology'
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ReferenceEarth Day: What is it and why does it matter?
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ReferenceWhat is the moon phase today? Lunar phases 2025
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NASA's Lucy probe flies by the asteroid Donaldjohanson on Easter Sunday
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Could Mars volcanoes have supported ancient life on the Red Planet? Well, maybe
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NASA's sun-studying PUNCH mission captures its 1st-light images. Everything looks great so far
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NASA's Lucy probe captures 1st close-up images of asteroid Donaldjohanson, revealing 'strikingly complicated geology'
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NASA's Lucy probe flies by the asteroid Donaldjohanson on Easter Sunday
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'Planetary defense is knowing what's out there and what could do harm to us.' Meet the scientist who helped build NASA's asteroid response plan
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We now know the shape of notorious asteroid 2024 YR4 that dominated headlines recently — it's probably 'suburban,' too
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Watch 'potentially hazardous' asteroid fly near Earth this weekend in this free livestream
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Next month NASA's Lucy probe will visit an asteroid that's been waiting 150 million years to say hello
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Asteroid 2024 YR4 no longer threatens to hit Earth, but we can still hit it — for science!
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The solar system is teeming with 1 million 'alien invaders' from Alpha Centauri
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Watch asteroid 2024 YR4 zoom harmlessly through space after risk of hitting Earth falls to near zero (video)
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What to expect from the newfound Comet Swan: An observer's guide
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Newly discovered Comet C/2025 F2 (SWAN) captured in stunning photo blazing across UK skies
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Comet G3 (ATLAS) looks breathtaking above future home of world's largest telescope (photos)
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Why Comet G3 (ATLAS) will be 'remembered as the Great Comet of 2025' (photos)
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Trillions of comets discovered orbiting alien planet systems (image)
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Photographer captures rare Comet G3 ATLAS from UK in dramatic 'once-in-a-lifetime' image
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Once-in-a-160000-year comet G3 ATLAS could shine as bright as Venus next week. Here's what to expect.
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Big 'dark comet' discoveries could be coming in 2025
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Get ready for the 'New Year Comet': What to expect from Comet ATLAS (C/2024) G3
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How did life's building blocks end up on dwarf planet Ceres?
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ReferenceCharon: Pluto's dwarf planet partner
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Reference
Ceres: The closest dwarf planet to Earth
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Pluto's 'almost twin' dwarf planet Eris is surprisingly squishy
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Dwarf planet Ceres could be a great place to hunt for alien life. Here's why
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See dwarf planet Haumea at its closest to Earth in 285 years tonight
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Spot dwarf planet Ceres during the new moon tonight
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Astronomers spy new class of dark, water-rich asteroids like dwarf planet Ceres
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A dwarf planet beyond Neptune has a mysterious ring that astronomers can't explain
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Reference
Earth Day: What is it and why does it matter?
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ReferenceTax Day in space: How do astronauts pay taxes off Earth?
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The newest GOES weather satellite in NOAA's fleet is now fully operational (video)
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Elon Musk's DOGE team given 'alarming degree' of access to NASA systems, House Democrats say
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Trump administration's NOAA layoffs affected the space weather service that tracks solar storms
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'Major disruption' has caused Arctic polar vortex to slide off North Pole, scientists say
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North America is 'dripping' down into Earth's mantle, scientists discover
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Rare colorful lightning caught on camera by ISS astronaut. 'OK, this is kind of out there'
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How to debate a flat-Earther: Proven scientific arguments and strategies
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Major storms on Jupiter can leave a fingerprint in the planet's atmosphere
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Powerful solar winds squish Jupiter's magnetic field 'like a giant squash ball'
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An amateur astronomer used an old technique to study Jupiter — and found something strange
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New thunderstorms wider than Earth are spewing out green lightning on Jupiter — and could make one of the gas giant's massive bands disappear
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NASA tests high-tech software for future mission to search for life on Jupiter's moon Europa
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Magnetic tornadoes on Jupiter are spawning Earth-size storms
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Jupiter's storms and its 'potato' moon Amalthea stun in new NASA Juno probe images
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How can Jupiter have no surface? A dive into a planet so big, it could swallow 1,000 Earths
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Explore Jupiter's icy ocean moon Europa in NASA virtual tour (photos)
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Could Mars volcanoes have supported ancient life on the Red Planet? Well, maybe
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New photos from European Mars orbiter show dynamic, volcanic Red Planet terrain
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Meet 'Nighthawk': Mars helicopter mission could be big leap for exploration
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Curiosity Mars rover discovers largest organic molecules ever seen on Red Planet
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What happened to all the water on Mars? Here's why the debate continues
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Mars madness! Perfect NCAA tournament bracket wins you a trip to the Red Planet on SpaceX's Starship
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Mars could have an ocean's worth of water beneath its surface, seismic data suggest
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Tiny Mars moon Deimos gets a rare close-up, thanks to Europe's Hera asteroid probe (photos)
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Life on Mars? It probably looks like something you'd find in your stomach
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BepiColombo spacecraft flies by Mercury, sees volcanic plain and impact craters
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BepiColombo probe captures haunting Mercury image on 5th of 6 gravity assist flybys (photo)
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BepiColombo spacecraft's flyby of Mercury begins unraveling the planet's magnetic mystery
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Magnetic mystery at Mercury revealed by BepiColombo probe (video)
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BepiColombo probe captures stunning Mercury images in closest flyby yet
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Mercury has a layer of diamond 10 miles thick, NASA spacecraft finds
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Mercury slammed by gargantuan eruption from the sun's hidden far side, possibly triggering 'X-ray auroras'
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Mercury is home to exotic glaciers of salt, and they may host life beneath them
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Here's the (moon) scoop: Mercury 7-flown clock, Apollo lunar shovel up for auction
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1st images of elusive auroras on Neptune revealed by James Webb Space Telescope
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Could Neptune's largest moon swing a spacecraft into the planet's orbit?
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Why is Neptune's moon Triton so weird?
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Weird dark spot on Neptune may have a bright spot buddy
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Neptune's clouds have vanished, and the sun may be to blame (video)
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4 elusive 'mini-Neptune' exoplanets discovered in a cosmic game of hide-and-seek
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ReferenceNeptune: A guide to the windy eighth planet from the sun
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Newly discovered 'mini-Neptune' may have an ocean or an atmosphere - but not for long
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Watch Venus snuggle up to Neptune for Valentine's Day tonight
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Is Pluto a planet or not? Who cares! Our love for the King of the Kuiper Belt is stronger than ever 95 years later
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ReferenceClyde Tombaugh: The astronomer who discovered Pluto
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How Pluto captured its largest moon Charon with a 10-hour icy 'kiss'
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We could float effortlessly in Pluto's subsurface ocean
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Pluto's heart-shaped scar may offer clues to the frozen world's history
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Pluto TV will rally to make Pluto a planet again on April 1 (it's no joke)
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Supervolcano eruption on Pluto hints at hidden ocean beneath the surface
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ReferencePluto: Everything you need to know about the dwarf planet
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Cracks on Pluto's moon Charon may be evidence of a frozen subsurface ocean
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There's liquid on Titan, Saturn's largest moon. But something's missing and scientists are confused
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Saturn officially has 128 more moons
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ReferenceSaturn's moons: Facts about the weird and wonderful satellites of the ringed planet
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Geysers on Saturn's moon Enceladus may not come from its underground ocean
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Saturn's rings could be much older than scientists first thought
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Before plunging to its death, NASA's Cassini spacecraft saw secrets in the seas of Saturn's moon Titan
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Saturn's planet-wide storms driven by seasonal heating, Cassini probe reveals
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Surf's up! Liquid methane waves on Saturn moon Titan may erode shores of alien lakes and rivers
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'Tiger stripes' on Saturn's moon Enceladus could reveal if its oceans are habitable
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Reference
What is the moon phase today? Lunar phases 2025
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Easter is coming late in 2025, astronomically speaking. Here's why
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Watch April's Full Pink 'micromoon' rise this weekend with a free telescope livestream
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China's Chang'e 6 lunar samples suggest our moon is debris from an ancient Earth impact
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South Korea is converting an abandoned coal mine into a moon exploration testing ground
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How bacteria could help build and maintain cities on the moon
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Moon dust may help astronauts power sustainable lunar cities. Here's how.
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NASA proves its electric moon dust shield works on the lunar surface
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The new moon of March 2025 creates a partial solar eclipse this weekend
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NASA's sun-studying PUNCH mission captures its 1st-light images. Everything looks great so far
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A hidden solar cycle is awakening, but more extreme space weather over the next 50 years may not be a bad thing
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How AI is helping scientists unlock some of the sun's deepest secrets
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The sun just leaked a huge amount of helium-3 — the rare isotope scientists want to harvest on the moon
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Million-mile-long solar whirlwind could help solve sun's greatest mysteries (video)
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Sun unleashes powerful M5.6 solar flare and Earth is in the firing line — are auroras incoming?
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A total solar eclipse from 2471 B.C. may have shaken Egypt's cult of the sun
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Surprise X-class solar flare from emerging sunspot triggers radio blackouts across the Americas
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NASA's daredevil solar spacecraft survives 2nd close flyby of our sun
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A day on Uranus is actually longer than we thought, Hubble Telescope reveals
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Are there hidden oceans inside the moons of Uranus? Their wobbles could tell us
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Long ago, Voyager 2 might have caught Uranus at a bad time
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Icy moon of Uranus may have once hid watery secret, Voyager 2 archives reveal
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NASA images Uranus with epic team up of Hubble Telescope and New Horizons Pluto probe
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'Traffic jams' around Uranus could solve the mystery of its weak radiation belts
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3 tiny new moons found around Uranus and Neptune — and one is exceptionally tiny
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The rings of Uranus look positively festive in epic James Webb Space Telescope holiday photo
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Unwrapping Uranus and its icy secrets: What NASA would learn from a mission to a wild world
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Scientists may have just found the driving force behind Venus' volcanos
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The 1st private mission to Venus comes together ahead of possible 2026 launch (photos)
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Exploring Venus may require exotic tech like balloons and 'aerobots'
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Did Venus ever have oceans to support life, or was it 'born hot'?
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Venus' 'missing' giant impact craters may be hiding in plain sight
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Scientists find surprising clue about Venus' past in its atmosphere
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Earth's 'evil twin' Venus may have mirrored our planet more than expected
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Venus may be able to support life, new atmospheric evidence suggests
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NASA just beamed a Missy Elliott song to Venus
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