Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in ...

Scientists examined infrared space surveys to narrow down candidates for Planet 9. Planet 9 would be so far from the Sun that ...

The largest sample of galaxy groups ever detected has been presented by a team of international astronomers using data from ...

The dark nebula is part of the Circinus West molecular cloud, which stretches for 180 light-years, containing a mass 250,000 ...

Astronomers believe starquakes on highly magnetic neutron stars could lead to the creation of heavy elements such as gold, ...

Eos, a newly discovered hydrogen cloud just 300 light-years from Earth, offers a rare look at hidden star-forming regions.

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 found evidence for a cosmic collision in the Perseus cluster, a group of thousands of galaxies not far from ...

A rare and dramatic scene unfolds 140 light-years from Earth. A rocky planet, once whole, is now crumbling to dust under the ...

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

An astronomer breaks down 3 key components that allow researchers to make groundbreaking discoveries – and decide when ...