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

Each month, a full moon lights up the night sky—but this July brings a special sight for stargazers. The full Buck Moon will ...

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

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...