Comet Lemmon was discovered in January 2025 and made its closest approach to Earth in late October 2025. But by November 2025 ...

Gemini North captured new images of Comet 3I/ATLAS after it reemerged from behind the sun on its path out of the solar system ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

The Geminid meteor shower peaks Dec. 13–14, and the U.S. weather forecast will play a key role in what you'll see.

Perihelion, the point in a planet’s orbit where it is closest to the Sun, is a fascinating phenomenon that shapes much of our ...