Skywatching

Nikon Stabilized 12x25 S binoculars held in the hands of the reviewer in front of breaking waves at the beach

Nikon Stabilized 12x25 S binocular review

By Jase Parnell-Brookes published

Review Shorter version of strapline

Review

Why does the moon turn red during a total lunar eclipse?

By Jamie Carter last updated

We explore why the lunar surface turns a beautiful reddish color to become a "blood moon" during the totality phase of a total lunar eclipse.

Lunar Eclipses

Northern lights forecasts, alerts, and geomagnetic storm warnings - live updates

By Daisy Dobrijevic last updated

The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.

Auroras
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Spaceflight

a triple-core rocket blasts off under a sunny, partly cloudy blue sky. smoke expands below next to an obscured launch tower, near a long white hanger with SPACEX written on the side. To the left, a bird flies away.

Rocket launch today: Is there a rocket launch and what time?

By Josh Dinner, Tariq Malik last updated

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Launches & Spacecraft
This artist impression shows the Rosetta spacecraft releasing the Philae lander down to Comet 67P/ Churyumov-Gerasimenko's surface.

On this day in space! Sept. 2, 2016: Lost and found! Rosetta sees Philae lander on Comet 67P

By Hanneke Weitering last updated

On Sept. 2, 2016, the European Space Agency finally located Philae, its long-lost comet lander.

Launches & Spacecraft
Graphic illustration with 'space calendar' in large blue neon letters and 2025 below it in smaller white letters. Below the title are four neon images depicting a meteor or comet, a telescope, a rocket launch and an astronaut's helmet. There is a starry background to the entire image.

Space calendar 2025: Rocket launches, skywatching events, missions & more!

By Space.com last updated

Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.

Reference
Artist's illustration of a crewed Mars base.

How magnets could help astronauts explore the moon and Mars

By Andrew Jones published

Magnetic fields can replace bulky centrifuges in space oxygen systems, making them lighter, more efficient and better suited for deep-space missions, a new study finds.

Human Spaceflight
A metal plate full of sushi with seaweed, rice, and spam sit on a table next to another plate with shrimp tails on crackers served on it

ISS astronauts serve up space sushi | Space photo of the day for Sept. 2, 2025

By Kenna Hughes-Castleberry published

Aboard the International Space Station, astronauts use creativity and culture to make life in orbit feel a little more like home.

International Space Station
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Science & Astronomy

An illustration of the comet 3I/ATLAS as it streaks past the sun. Scientists have selected the best spacecraft to observe this passage.

Interstellar invader comet 3I/ATLAS could be investigated by these spacecraft as it races past the sun: 'This could be literally a once-in-a-lifetime opportunity'

By Robert Lea published

Excitement is building regarding the interstellar invader 3I/ATLAS, with new research suggesting which spacecraft from Earth could get a close-up view of the comet.

Astronomy
A gray scale image showing various white dots of stars and comets with a large smudge in the middle which is the interstellar comet 3I/ATLAS

I watched scientists view the interstellar comet 3I/ATLAS in real time. Here's what they saw

By Kenna Hughes-Castleberry published

"Once these objects get too faint to see, they will never be seen again,"

Comets
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Space Photo of the Day

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Entertainment

a bearded man in a glowing red suit at night

New 'Tron: Ares' trailer paints the town neon red as an ominous voice declares that 'Military AI is the future!' (video)

By Jeff Spry published

'Your world is running out of time. But I can help you'

Space Movies & Shows
The Lego Technic NASA Apollo Lunar Roving Vehicle on a Space.com deals backdrop

The Lego Technic NASA Lunar RV set is an incredibly detailed reproduction of the historic Apollo lunar buggy — now with 32% off, its lowest ever price at Walmart

By Paul Brett published

Deals Walmart's "Bricktember Lego Sales" event is live, and this nearly 2,000-piece model of Space history has a massive $63 reduction.

Deals
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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

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

Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere

By Tereza Pultarova published

"Being able to send something out there would enable us to take a lot more precise data than we currently can."

Technology
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