Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Aliens may have been closer to Earth than first thought. New research from NASA reveals that Ceres, the dwarf planet in the ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

While you’re reading this, the universe is basically throwing the most epic crash party imaginable, with galaxies, stars, and planets […] ...

Learn how rock and dust samples are shedding light on the origins of Asteroid Bennu and the history of the early Solar System ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...