
NASA reveals its Roman Space Telescope today: How to watch live, and what's next for the next-generation observatory
NASA will unveil the Nancy Grace Roman Space Telescope on April 21, and you can watch the event live here at Space.com.

By Daisy Dobrijevic last updated
The Lyrids are back! Here's where to look and how to spot these shooting stars.

By Hanneke Weitering last updated
On April 20, 2016, the moon did not turn green. The moon has never been green and will probably never turn green, despite what any viral internet memes may tell you.

By Robert Z. Pearlman published
A SpaceX Falcon 9 rocket carrying 25 Starlink satellites lifted off from Vandenberg Space Force Station in California on April 19. The mission featured the 600th landing of a Falcon first stage.

By Chelsea Gohd published
It turns out that living in space can have a lasting impact on how your brain works, researchers have found.

By Robert Lea last updated
Reference As the Artemis program aims to return humanity to the moon and beyond, the Artemis Accords lay out a framework for nations collaborating in this effort.

By Robert Z. Pearlman published
Blue Origin, the space launch company founded by Jeff Bezos, achieved a successful recovery of its first reused orbital-class rocket, but the payload it put into space was left in the wrong location.

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 2026.
By Chelsea Gohd published
The Artemis 2 astronauts captured a unique image of the moon's "dark side" during their historic April 2026 flyby.

By Brett Tingley published
NASA's Space Launch System rocket was back on the move overnight ahead of its second mission to the moon, which will be the first time the vehicle carries a crew.

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.

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

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

Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.

NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.

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

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

By Leonard David published
How would people react if an alien civilization actually made contact with us? Space.com talked to experts, who shared a variety of opinions about a possible real-life "disclosure day."

By Leonard David published
A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological self-destruction — and it therefore may not want to talk to us.

By Leonard David published
"They are truly ready for long duration space flights and lunar habitation."
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