Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

A newly discovered object, dubbed A11pl3Z, appears to be moving too fast and straight to have originated in the solar system.

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

The European Space Agency (ESA) said it is monitoring an unidentified object alongside Russia identified only as A11pl3Z as it hurtles at astonishing speed from outside the Milky Way ...

Scientists believe that many more such objects regularly pass by the Earth, with a number of them flying relatively near to ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion ...

Milky Way viewing is at its best right now, especially if you’re in the southern hemisphere. Here's what to look out for, ...

The first images released by the Vera C. Rubin Observatory show details of our Solar System with unprecedented clarity.

A new interstellar object has been spotted careening into the solar system at an extremely unusual, hyperbolic trajectory. If ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...