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

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

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

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

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

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

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

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 ...

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

Scientists have discovered a planet that is literally falling apart as it orbits its star. Located about 140 light-years from ...

"The key planet-formation processes in protoplanetary disks remain an active matter of research. One promising mechanism to ...