
Interstellar invader comet 3I/ATLAS made a startling transformation as it passed the sun
The interstellar comet 3I/ATLAS changed significantly as it flew by the sun last fall, astronomers have discovered.

By Hanneke Weitering last updated
On April 16, 1972, Apollo 16 launched to the moon! Apollo 16 was NASA's fifth lunar landing and the penultimate mission of the entire Apollo program.

By Mike Wall published
Blue Origin conducted a static fire test today (April 16) with a flight-proven New Glenn booster, paving the way for a planned launch on Sunday morning (April 19).

By Andrew Jones published
Astroscale's 2027 ISSA-J mission will mark the first attempt to inspect multiple spacecraft across different orbits in a single flight.

By Mike Wall published
SpaceX just conducted the first full-duration static fire test with the upper stage of its 'V3' Starship, clearing a big hurdle on its path to launch, which is expected next month.

By Brett Tingley published
The head of the U.S. Space Force said the United States' ongoing war in Iran shows the service has become a fully "combat credible" force.

By Chelsea Gohd published
Two NASA astronauts had some fun during the ISS' capture of a robotic cargo spacecraft on April 13, pretending to hold onto it from into the station.

By Keith Cooper published
The star is escaping the Large Magellanic Cloud for the Milky Way.

By Chelsea Gohd published
Every single tiny point on the map is a galaxy.

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.

By Alexander Cox last updated
Love science fiction? Then take off with the best streaming services for sci-fi fans, featuring everything from old-school Star Trek to the brilliant, alternate-world space race of For All Mankind.

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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