It’s officially the third known interstellar object to pass through our solar system and poses no threat to Earth.

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

The European Space Agency said Wednesday that scientists have discovered what might be only the third known interstellar ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

A new investigation into old Kepler data has revealed that a planetary system once thought to house zero planets actually has ...