Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

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

An international team led by the University of Geneva (UNIGE) has discovered the most distant known spiral galaxy to date.

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

Most have been found via microlensing: their gravity acts as a lens that boosts the light of a background star in a ...

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 ...

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 ...