
The expansion of our universe may be slowing down. What does that mean for dark energy?
"If these results are confirmed, it would mark a major paradigm shift in cosmology since the discovery of dark energy 27 years ago."

By Jase Parnell-Brookes last updated
Deals We've scoured the net for the best Black Friday and Cyber Monday deals on space-related gear, from telescopes to cameras and more.

By Hanneke Weitering, Elizabeth Howell last updated
On Nov. 5, 2002, NASA's old Galileo spacecraft was almost out of fuel.

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

By Mike Wall last updated
Europe's Ariane 6 heavy-lift rocket successfully launched the Sentinel-1D Earth-observing satellite today (Nov. 4) on its fourth-ever launch.

By Kenna Hughes-Castleberry published
Under the untouched darkness of Chile's Atacama Desert, the European Southern Observatory's Very Large Telescope stands beneath an arching Milky Way.

By Tereza Pultarova published
An ultra-high-resolution instrument on board NASA's $10 billion James Webb Space Telescope has been suffering from blurry vision. AI helped fix the problem.

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 Keith Cooper published
New observations of a volatile young star have shown how infant suns could unleash enough energy to trigger biologically relevant chemical reactions in an orbiting planet's atmosphere.

By James Abbott published
Review The Bwine F7GIM is a lightweight beginner drone that weighs above the 250 g threshold, but it flies well, and the automatic camera is fairly good.
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