The organic material found in a few areas on the surface of dwarf planet Ceres is probably of exogenic origin. Impacting ...

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

The dwarf planet is a bizarre, cryovolcanic world. However, the organic deposits discovered on its surface so far are unlikely to originate from its interior. The organic material found in a few areas ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

Planets with suns like Wolf 359 are subject to huge blasts of radiation that raise questions about their long-term ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

An object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never seen before.

The Dawn space probe found organic molecules on the dwarf planet around ten years ago. A Max Planck team used AI to ...