Skywatching

Total lunar eclipse September 2025: Live updates

By Daisy Dobrijevic last updated

The next lunar eclipse will be overnight on Sept. 7-8, 2025.

Lunar Eclipses
graphic with night sky in large font and silhouettes of people below looking up at the night sky.

Night sky for tonight: Visible planets, stars and more in this evening's sky

By Jamie Carter last updated

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Stargazing
Expert holds one of the best binoculars while observing

Best binoculars 2025 — best overall models for stargazing, wildlife and general use

By Jase Parnell-Brookes last updated

Buying Guide We've picked the best binoculars for stargazing, comet viewing and nature watching. Keep an eye out for deals and do your research here to prepare.

Buying Guide
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Spaceflight

A model of a spacecraft with two large solar panels and instruments behind sits in front of a dark background

On this day in space! Sept. 4, 1962: Mariner 2 performs 1st rocket maneuver in deep space

By Hanneke Weitering last updated

On Sept. 4, 1962, NASA's Mariner 2 spacecraft performed the first-ever rocket maneuver in deep space as it did a quick mid-course correction on its way to Venus.

Launches & Spacecraft
The four astronauts of NASA's Artemis 2 moon mission complete the "Bobby and Pete Challenge," performing 100 pushups and 50 pull-ups in less than 10 minutes.

Watch NASA's Artemis 2 moon astronauts take on the viral 'Bobby and Pete' fitness challenge (video)

By Mike Wall published

The four Artemis 2 moon astronauts passed the "Bobby and Pete" fitness challenge recently, performing 100 pushups and 50 pull-ups in less than 10 minutes.

Artemis
A woman wearing a headset and a green long sleeve shirt looks out of the windows on the International Space Station aimed at Earth

Astronaut Megan McArthur, 1st woman to pilot SpaceX Dragon, retires after 25-year NASA career

By Josh Dinner published

McArthur launched on two spaceflights, logging 213 days in orbit across her nearly 25 years, and held leadership positions at NASA's Johnson Space Center in Houston.

Human Spaceflight
a white rocket launches at night above a plume of fire and smoke

Israel spy satellite launch sparks 'brief panic' as residents mistake rocket for missile: reports

By Brett Tingley published

Israel launched the Ofek 19 spy satellite atop a Shavit rocket on Sept. 2, which came as a surprise to some local residents, according to news reports.

Launches & Spacecraft
A helicopter lifts a large white crew module hoisted by a long rope in the air

India tests parachutes for 1st-ever human spaceflight mission in 2027 (photos)

By Sharmila Kuthunur published

India successfully tested the parachute system for its Gaganyaan crew module ahead of its planned first-ever astronaut launch in 2027.

Human Spaceflight
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Science & Astronomy

A series of dark circles represent the moon during different phases of a solar eclipse, with the middle circle completely blocking a bright light (the sun) in a dark blue sky.

Most solar eclipse maps have a major flaw. Here's how to ensure you're really in the path of totality

By Ryan French published

Solar eclipse maps show crisp lines for the path of totality, but in reality, the edges of the path are fuzzy, jagged and sometimes wrong by hundreds of meters or more

The Sun

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
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Space Photo of the Day

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Entertainment

'Invasion' star Shamier Anderson says he's 'out of here' if aliens do actually invade (exclusive)

By Jeff Spry published

'The aliens are coming to Earth? I'm going, 'Here’s the bill. Credit or debit? Have a good day.’'

Space Movies & Shows
Screenshot from Marathon video game.

Marathon: Release date, trailers & everything we know about Bungie's extraction shooter

By Fran Ruiz last updated

Bungie's next game is a return to the Marathon universe, but it's not what fans of the series were expecting. Here's everything we know so far.

Space Games
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What's Up In Space Today

Search For Life

a chart of printed numbers with a red handwritten "wow!" in the left margin

That mysterious 'Wow! signal' from space? Scientists may finally know where it came from — and it's probably not aliens

By Leonard David published

Scientists studying the famous 'Wow! signal' think they've finally pinpointed a possible origin for the baffling radio transmission detected in 1977.

Search for Life
Three different size circles going from large to small from left to right, with the largest being marbled light green, the middle being a marbled blue-green and the right being a dark blue marbled with water drops.

Is water really a necessary ingredient for life? Aliens may swim in truly exotic pools

By Stefanie Waldek published

A new study finds that liquids other than water might be able to support life on worlds beyond Earth, potentially expanding the envelope of life throughout the cosmos.

Search for Life
The planet-birthing disk around V883 Orionis with frozen complex molecules in its outer region

Is life widespread throughout the cosmos? Complex organic molecules found in planet-birthing disk

By Robert Lea published

Complex organic molecules that could be the precursors to the building blocks of life as we know it have been discovered in a disk of gas and dust swirling around an infant star.

Search for Life
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Technology

Three projectors, one purple, one black and yellow and one black are lined up side-by-side in front of a blue planet background.

Which is the best home planetarium? We pit three of our favorites against one other

By Alexander Cox published

We have tested many home planetariums over the years (sometimes called star projectors) but which are the most realistic, scientifically accurate? These three models offer the best of the best.

Technology
The X-37B Orbital Test Vehicle at NASA’s Kennedy Space Center Shuttle Landing Facility shortly after touching down on Nov. 12, 2022.

US Space Force's secretive X-37B space plane will test quantum alternative to GPS navigation

By Samuel Lellouch published

The U.S. Space Force's X-37B space plane will test a potential alternative to GPS that makes use of quantum science as a tool for navigation: a quantum inertial sensor.

Technology

NASA and Google test AI medical assistant for astronaut missions to the moon and Mars

By Andrew Jones published

Google and NASA are trialing an AI-powered medical assistant that could help astronauts care for themselves when mission control is out of reach.

Technology
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