A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Solar scientists have unveiled spectacular new images of plasma "rain" in the sun's corona using adaptive optics.

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been remains a mystery.

As we attempt to become a multi-planet species recent research has mapped a “interstellar tunnel” from our solar system pointing toward the constellation Centaurus. That is direction in which ...

A new 8K camera system at the Vacuum Tower Telescope in Tenerife captures images of the Sun's surface in stunning detail.