
Perihelion: What is it and when does it occur?
Reference Perihelion is the point at which an orbiting body is closest to the sun. The word comes from Greek and literally means around (peri) the sun (helios).


By Daisy Dobrijevic last updated
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.

By Josh Dinner last updated
SpaceX's Crew-11 astronauts will leave the International Space Station today (Jan. 14) in the first-ever medical evacuation from the orbiting lab, and you can watch it live.

By Robert Z. Pearlman published
A SpaceX Falcon 9 carrying 29 Starlink satellites launched from the Cape Canaveral Space Force Station in Florida on Wednesday, Jan. 14, 2026.

By Hanneke Weitering last updated
On January 14, 2005, a spacecraft landed on one of Saturn's moons!

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 Robert Lea published
"Our study provides a new direction to understand the whole evolutionary history of massive stars toward the formation of black hole binaries."

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 Josh Dinner published
The observatory will combine tech from NASA's most powerful space telescopes.

By Keith Cooper published
New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for the hopes of finding alien life within its ocean.

By James Abbott published
Review The DJI Neo 2 delivers improved image quality alongside Omnidirectional Obstacle Avoidance and many other new and impressive features.
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