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

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

All eyes are on Comet 3I/Atlas as astronomers worldwide chase the exotic ice ball through our solar system ...

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...

Debris from Mercury's heavily cratered surface could have reached Earth, so why haven't we found meteorites from the ...

The newest visitor is 416 million miles (670 million kilometers) from the sun, out near Jupiter. NASA said the comet will ...