NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

The comet should be visible by telescope through September, before it gets too close to the sun, and reappear in December on ...

Astronomers have discovered a new object that originated outside of our Solar System - only the third to be found.

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

A comet has entered the Solar System from interstellar space and will pass through the inner planets later this year, NASA ...

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

The newly discovered interstellar visitor is just the third of its kind and fascinates astronomers who hope to learn from it ...

US First Lady Melania Trump visited with sick patients at Children’s National hospital in Washington on Thursday as the ...

Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...