What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed giant interferometer on the moon. It's called the Artemis-enabled Stellar ...

The hefty space rock 2014 TN17 is large enough to wipe out a city, but it will pose no risk to our planet when it sails by ...

In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation ...

Firefly Aerospace’s successful moon lander has yielded a trove of data that scientists will pore over for years.

Scientists have long sought to determine the age of the moon's South Pole–Aitken (SPA) basin, the largest and oldest known ...

"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our ...

Saturn now leads the solar system with 274 known moons. Scientists say many moons formed from past collisions.

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons ...

Plus: Observe two stunning spirals, see Venus reappear as a morning star, and enjoy the Last Quarter Moon in the sky this ...

Deimos is the smaller and less photographed of Mars’ moons. This egg-shaped object, only measuring about 7.7 miles in ...

Asteroids of this size regularly pass through the Earth's neighborhood, often unnoticed, unless they are actively tracked by NASA and other space agencies. The continuous monitoring of near-Earth ...