Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.

Yes, six planets will be visible in the January night sky. And yes, they'll be in a line. But because planets always appear in a line from our Earth-bound ... Here's a list of the planets that ...

Astronomers think that a dwarf planet hiding in the middle of our solar system could be a source of frozen water. The dwarf ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system (inset). An object between 2 and 50 times the mass of Jupiter may have flown through our ...

dwarf planets and comets. Our solar system contains a central star with eight planets, dwarf planets, moons, comets and asteroids.

Using data from the European Space Agency's Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is the first time a planet has been uniquely discovered by Gaia's ability to ...

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

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 ...

An LSU-led team would like to use a high-flying Antarctic balloon-borne infrared telescope to detect the chemical makeup of ...