Astronomers have spotted an intriguing cluster of objects in the Kuiper belt, an enormous, donut-shaped region of icy objects ...

To our best of our understanding, the Moon formed from Earth following a colossal impact. A Mars-sized world we nicknamed ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

Tossing a bad guy into the Sun sounds simple enough, but orbital mechanics make it a far trickier task than you'd expect.

Roughly four and a half billion years ago the planet Theia slammed into Earth, destroying Theia, melting large fractions of ...

About 4.5 billion years ago, the most momentous event in the history of Earth occurred: a huge celestial body called Theia ...

New research suggests that Theia, the object whose collision with Earth is theorized to have caused the formation of the moon ...

This week, NASA finally released long-awaited images of the interstellar object 3I/ATLAS, following weeks of silence during ...

The object that created the Moon by colliding with the Earth might also have been its neighbour, researchers suggest ...

This gas cloud located 500 light years away from our solar system is about to become a planet.This process usually takes a ...

NASA is providing more images and information about the interstellar object that's passing through our solar system right now ...

( KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks ...