
Dark matter obeys gravity after all — could that rule out a 5th fundamental force in the universe?
"If such a fifth force exists, it cannot exceed 7% of the strength of gravity."

By Anthony Wood published
The Jovian moons Io and Europa will throw their shadows over Jupiter's cloud surface in the early hours of Nov. 5.

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 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.

By Hanneke Weitering, Elizabeth Howell last updated
The launch didn't according to plan.

By Josh Dinner published
The list of nations signing the Artemis Accords is growing, continuing NASA's efforts to establish internationally cooperative space exploration.

By Jordan Bretzfelder published
You may have heard about the extensive testing facilities for spacecraft and equipment, but how do scientists prepare for the human aspect of space exploration?

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 2025.

By Kiona N. Smith published
A new study used the James Webb Space Telescope to study how our universe's first galaxies were.

By Fran Ruiz published
The physics-based Martian rover simulator rides out of early access, offering tons of creative tools and impeccably chill vibes.

By Fran Ruiz last updated
After the success of Prey, Predator returns to the big screen with Predator: Badlands, a new theatrical movie set in the far future on another world.

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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