Learn about Mars at opposition in January 2025, when the Red Planet is closest to Earth. Discover how to view it, key dates, ...

A tiny asteroid loitering in a near-Earth orbit for a few months last year may have an intriguing origin on our moon. Its ...

An illustration of a private U.S. lander on the surface of the moon built by Texas-based company Firefly Aerospace. The ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...