Astronomers estimate it's roughly the size of the island of Manhattan. It's only the third known object from interstellar space to pass through our solar system.

A respected Harvard astrophysicist has shared new claims about the mysterious interstellar object in our Solar System, saying ...

An unidentified object originating outside the solar system is expected to travel past Earth in the coming months. The Guardian reports that the interstellar object is travelling towards the sun at a ...

Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.