An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

The Milky Way is known to host a diverse array of planetary systems, providing astronomers with extensive insights into how ...

Earth" planet was discovered by researchers. It is not believed these planets are more common than previously thought.

Scientists have discovered an exoplanet 140 light-years away that's rapidly disintegrating as it orbits its star every 30 ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

An international team of astronomers has found that super-Earth exoplanets are far more common across the universe than once ...

Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

"This result suggests that in Jupiter-like orbits, most planetary systems may not mirror our Solar System," said co-author Youn Kil Jung of the Korea Astronomy and Space Science Institute ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006 ... Pluto checks the first two boxes, it orbits the sun and is round, but it fails the third.