The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

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

The new image, which shows Earth along with an even smaller point of light coming from the moon, harkens back to Carl Sagan's ...

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

Jupiter's moons resemble little moons! Do they orbit in a regular pattern, similar to how the Moon orbits the Earth? Today, ...

These tiny spheres were formed under extreme conditions during the early solar system's chaotic environment. The study conducted by Japan’s Nagoya University and the Italian National Institute for ...

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

Just six miles in diameter, our little neighbor is so small that no telescope has been powerful enough to notice it orbiting ...

Four and a half billion years ago, Jupiter rapidly grew to its massive size. Its powerful gravitational pull disrupted the ...

The Solar System has a total of 419 known moons around planets. If we count dwarf planets, asteroids, and other worlds, the ...

A study suggests an Earth-sized planet, dubbed Planet Y, may exist beyond Neptune, affecting the orbits of icy objects in the ...