Space.com

Dark matter makes up 85% of the universe, but researchers, including Vera Rubin herself, historically have had a hard time finding it.

July’s full 'Buck Moon' rises close to aphelion, making it the furthest full moon from the sun in 2025.

In a recent contest, teams of researchers competed to see who could train an AI model to best pilot a spaceship. The results suggest that an era of autonomous space exploration may be closer than we think.

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here are all of your questions answered.

Tissue samples sent to the International Space Station reveal what can happen to astronauts on long-term missions.

A collection of more than 50 pieces of memorabilia previously owned by Sally Ride, the first American woman to reach space, sold at auction last week for more than $145,000.

Surprising colors and stunning features are captured in a new image of Mars' surface.

In the latest attack on science by the Trump administration, researchers at the National Snow and Ice Data Center will no longer receive data from a fleet of military satellites.

Sprites have been known to form above intense thunderstorms.