Our Solar System is home to many unique planetary bodies, including protoplanets and dwarf planets. Here are the unique ...

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

With new telescopes coming online and fresh discoveries arriving almost weekly, the search is only accelerating. Each new world we find is more than a point of light somewhere in the great darkness.

Mars is known for its barren desert landscape and dry climate. But two recent studies in the journals Nature and Science go ...

An alignment of six planets will dazzle in January 2025. Venus, Mars, Jupiter, Saturn, Uranus and Neptune will align in the night sky. "The whole month of January is a great time to see the planets," ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

New research using NASA's powerful JWST telescope has identified a planet 41 light years away which may have an atmosphere.