The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago. In 1983 ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible ...

Earth-like exoplanets might be more common throughout the Milky Way than previously believed, astronomers report in a new ...

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

Spotted thanks to a fleeting light distortion in 2011, a mysterious duo — a tiny star and its hefty companion — has turned ...

Venus dominates as the brilliant “Morning Star” in the east-southeast before dawn; the Eta Aquariid meteor shower takes place ...

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 ...