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Tropical cyclone Freddy churns between Mozambique and Madagascar on March 8, 2023 in this image from the NOAA-20 satellite.

Deadly cyclone 'Freddy' may be the longest-lived and most energetic storm ever recorded

By Harry Baker published

Cyclone Freddy, which is finally dissipating after battering Southeast Africa, has crossed the entire Indian Ocean and made landfall three separate times.

purple, pink and magneta elliptical image of cosmic microwave background

The universe might be shaped like a doughnut, not like a pancake, new research suggests

By Paul Sutter published

The universe may be flat, but could still be shaped like a doughnut, weird patterns in leftover light from the Big Bang suggest.

Nicola Fox, NASA's new science chief.

NASA selects solar physicist Nicola Fox as its new science chief

By Robert Lea published

NASA has announced that Heliophysics Division leader Nicola Fox will be the agency's new head of science, overseeing more than 100 missions.

a section of the Martian surface covered in rocks

Artificial intelligence could help hunt for life on Mars and other alien worlds

By Robert Lea published

A newly developed machine-learning tool could help scientists search for signs of life on Mars and other alien worlds.

Four side by side images of various moon phase in March along with their dates, the full moon is on March 7, the third quarter on March 14, the new moon on March 21 and the first quarter on March 28

What is the moon phase today? Lunar phases 2023

By Tariq Malik last updated

Reference See the phase of the moon tonight and the rest of the moon phases for 2023, and when you can see them.

Reference
Adam Driver asks NASA all about asteroids and their impact threat to Earth in a new video.

'65' star Adam Driver asks NASA about the asteroid threat to Earth (video)

By Robert Lea published

Adam Driver, star of the new movie "65," quizzed NASA about the dangers of asteroids and the success of the DART mission.

the annular eclipse will be visible from Bryce Canyon National Park, Utah. The image at dawn shows the sun rising off the ride side of the image, bathing the impressive rock structures in the canyon in a golden red light.

'Ring of fire' from US national parks: 7 great places to see the annular solar eclipse 2023

By Jamie Carter published

The annular solar eclipse 2023 will be visible in over a dozen U.S. national parks. Here are the best scenic spots to catch the spectacular 'ring of fire'.

Uranus is growing a smoggy cap around its north pole, the Hubble Space Telescope reveals.

Uranus grows a smoggy cap while Jupiter's Red Spot keeps shrinking, Hubble telescope reveals (photos)

By Tereza Pultarova published

New images of Uranus and Jupiter taken by the Hubble Space Telescopes reveal slow weather changes on these giant, distant planets.

Still image from a NASA animation showing the sky lit up by gamma-ray flashes, which are represented by pink spots that shrink as the emission dims. The animation was created using a year of data from the Large Area Telescope (LAT) aboard NASA's Fermi Gamma-ray Space Telescope.

Here's what the sky would look like if humans could see gamma rays (video)

By Robert Lea published

A new NASA animation created using data from the Large Area Telescope aboard NASA's Fermi Gamma-ray Space Telescope shows the sky lit up by gamma-ray flashes.

Red auroras visible in North Carolina on March 24, 2023.

Pictures from space! Our image of the day

By Space.com Staff published

A surprise solar storm supercharged auroras across the U.S. tonight with colorful displays visible as far south as New Mexico.

The Hubble Space Telescope captured an edge-on view of JW100 — a jellyfish galaxy (located in the lower right of the image_— along with six small elliptical galaxies and a much larger elliptical galaxy at the top of the frame.

Hubble telescope captures galactic jellyfish with bright tendrils of star formation (photo)

By Samantha Mathewson published

A distant spiral galaxy boasts bright streams of star-forming gas dripping from its central disk like tentacles of a jellyfish in a new Hubble Space Telescope photo.

still image of the sun peeking through clouds on mars with a lower, drifting cloud at right

Perseverance rover snaps gorgeous shots of drifting predawn clouds on Mars (photos)

By Elizabeth Howell published

NASA's Perseverance rover took a brief break from its Mars life hunt on March 18 to capture stunning shots of drifting predawn clouds on the Red Planet.

Solar eclipse photographed in Chon Buri, Thailand. The red hue image shows a distinct 'ring of fire' glowing in the sky, slightly obscured by a cloud.

Annular solar eclipse 2023: Everything you need to know about North America's 'ring of fire' eclipse

By Jamie Carter published

Reference The annular solar eclipse on Oct. 14, 2023, will be visible from eight states in the U.S. Southwest. Find out how and where to see the 'ring of fire' eclipse in our ultimate guide.

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The image shows diagonal lines caused by the light reflected by a group of 25 Starlink satellites passing through the field of view of a telescope at Lowell Observatory in Arizona during observations of the NGC 5353/4 galaxy group on May 25, 2019.

Astronomers urged to fight 'tooth and nail' to protect dark skies

By Sharmila Kuthunur published

A new paper calls on the scientific community to do more to fight rising light pollution and protect the night sky, including banning satellite megaconstellations if necessary.

Cyclone Freddy lashes the Reunion island in February 2023.

Earth is on track for devastating climate change if we don't act. These 5 weather disasters show what's to come.

By Tereza Pultarova published

These weather disasters provide a glimpse of lies ahead for planet Earth if humankind fails to stop climate change progress.

An artist's depiction of an asteroid hitting Earth.

Space dust could carry alien life across the galaxy, study suggests

By Josh Dinner published

Astrobiologists should examine space dust and other exoplanetary debris to search for the existence of life beyond Earth, a new study suggests.

This image shows just a portion of M55, the cluster as a whole appears spherical because the stars’ intense gravitational attraction pulls them together. Hubble’s clear view above Earth’s atmosphere resolves individual stars in this cluster. Ground-based telescopes can also resolve individual stars in M55, but fewer stars are visible.

Stunning Hubble telescope photo reveals star-studded M55 cluster

By Sharmila Kuthunur published

A distant cluster sparkles with ancient stars in a gorgeous new image from NASA's Hubble Space Telescope.

The compact radio jet in the center of the Teacup Galaxy blows a lateral turbulent wind in the cold dense gas, as predicted by the simulations.

Supermassive black hole's relativistic jets are blowing bubbles in the Teacup Galaxy

By Briley Lewis published

New research investigates how relativistic jets from a supermassive black hole has been shaping the Teacup Galaxy, giving it its iconic handle.

An artist's depiction of the interstellar comet 'Oumuamua, as it warmed up in its approach to the sun and outgassed hydrogen (white mist), which slightly altered its orbit.

Sorry, E.T. fans: Interstellar visitor 'Oumuamua isn't an alien spacecraft. It's just passing gas.

By Tereza Pultarova published

Since its arrival in the solar system in 2017, interstellar object 'Oumuamua has puzzled scientists. Two American astronomers now think they have solved one of the space rock's biggest mysteries.

treeline with green auroras just above and red auroras reaching into the sky. a snowy landscape covers the front

A colossal 'hole' in the sun's atmosphere could supercharge Earth's auroras on March 24

By Elizabeth Howell published

A 'hole' in the sun's upper atmosphere may soon generate another geomagnetic storm here on Earth, creating auroras in places farther from the poles than usual.