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

You probably know about the buildings or train station named for President Biden, but he's also the namesake for a dwarf ...

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, ...

Venus" exoplanet 47 light-years away, with a thick atmosphere, challenging previous planetary classifications.

A powerful new tool comes online this year that could help astronomers locate the mysterious planet hiding somewhere beyond ...

Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly connected and spun together before separating into their current orbital ...

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 ...