From glowing comets to ancient galaxies, autumn's night sky is filled with celestial treasures.
Rocket Lab launched a radar satellite for Synspective today (Oct. 14), the seventh spacecraft it has lofted for the Japanese Earth-observation company.
Read the latest news about SpaceX's Starship megarocket test flights, launches, photos and more.
Hundreds of satellites may soon be flying in orbital regions that are already too packed to allow safe and long-term operations, a new study suggests.
The weak nuclear force doesn't play by the normal rules — and, in fact, it breaks one of the biggest rules of all.
ESA astronaut Marco Sieber journeyed deep underground in Italy's Apennines for CAVES training
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.
What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?
A new study suggests that, without plate tectonics and the right balance of carbon dioxide and oxygen, advanced alien civilizations may be exceedingly rare.
Fresh analysis of Perseverance rover data reveals Jezero Crater experienced repeated episodes of water activity, strengthening the case for habitability and raising the stakes for Mars Sample Return.
On Oct. 14, 1947, Chuck Yeager broke the sound barrier for the first time!
NASA's Lunar Electric Rover was tested in Arizona's rugged desert terrain to simulate lunar exploration and refine designs for future missions.
"We see a future where thousands of Arc spacecraft form a logistics network that provides transformative reach, resilience, and deterrence for the United States and its allies."
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