
Uranus and Neptune could be full of rocks, new study suggests
"Rather than 'icy' or 'rocky,' we should simply call them minor giants."

By Daisy Dobrijevic last updated
The latest aurora forecast for tonight helps you make sure you're in the right place at the right time to see the northern lights.

By Hanneke Weitering last updated
On May 12, 2000, two Russian cosmonauts embarked on the 80th and final spacewalk at the Mir space station.

By Mike Wall last updated
SpaceX launched a batch of spy satellites for the U.S. government this evening (May 11) from California's foggy central coast.

By Josh Dinner published
The core stage for NASA's Artemis 3 rocket has been raised inside the Vehicle Assembly Building, and is awaiting engine integration.

By Mike Wall published
The Tianzhou 10 freighter delivered nearly seven tons of supplies to China's Tiangong space station early Monday morning (May 10), about five hours after launching atop a Long March 7 rocket.

By Chelsea Gohd published
The arctic winds have created something truly stunning.

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 arctic winds have created something truly stunning.

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 Mike Wall published
The Pentagon released a new tranche of UFO files on Friday (May 8). Among the documents are nearly 30 videos, which feature a range of intriguing objects.

By Leonard David published
Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent goings-on, betraying our existence and hinting at our capabilities.

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 Chelsea Gohd published
Scientists have developed a new material that could shield humans and critical technology from harmful radiation.
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