YR4 won’t hit Earth, but a 4% chance remains for a lunar impact. ESA's upcoming NEOMIR telescope could revolutionize early ...

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

NASA has discovered an interstellar comet that's wandered into our backyard. The space agency spotted the object with the ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Scientists with NASA’s Lucy mission are finally wrapping up the process of refining the data gathered by the spacecraft’s ...

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