The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Each of the planets, labeled b, c, d, and e, has a mass between 20% and 30% of Earth's, making them among the smallest yet ...

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

Have you ever wondered how far Jupiter is from Mars or Venus from Earth? Our handy calculator makes it easy to find out! All distances are average and ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

The discovery of salty mineral evaporites on Ryugu indicates that watery environments may have been widespread in the early ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

April skies feature close planet pairings, a bright meteor shower, and stunning views of the ancient star cluster M3.

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but are unlike any in our own solar system. The two exoplanets, or planets outside of our ...

We often focus on space observatories that peer beyond Earth. But the vast majority of satellites stare right back at us.

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.