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

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being ...

Bennu's parent body is part of the Polana family of asteroids. A history of collisions created Bennu, and its original parent ...

The ambitious mission to retrieve samples from asteroid Bennu and return them to Earth is paying off. Just as scientists had hoped, the asteroid is revealing details about the early days of our solar ...

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

NASA’s OSIRIS-REx samples from asteroid Bennu reveal stardust, water-driven chemistry, and clues to life’s origins in the ...

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers ...

A new interstellar object, A11pl3Z, has been discovered in our solar system, marking the third such object to be observed. It was first discovered zipping near the sun this fall.

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