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

Scientists have unveiled an enormous gas cloud just 300 light-years from the solar system that measures about full 40 moons ...

The birthplace of stars begins within large, cold clouds of gas and dust, which eventually collapse under the weight of ...

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

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

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

All but one of Andromeda's satellite galaxies were found to be pointing right at us. According to our best models, that ...

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

Using the Hubble Space Telescope and an array of other instruments, astronomers have probed supernova wreckage in the Large ...