The universe is vast, and while our solar system is the center of our everyday lives, it is just a tiny part of the cosmic ...

In the vastness of the universe, distances between celestial bodies are mind-boggling, with even light taking thousands of ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

Solar systems mostly keep to themselves. What’s ours is ours and what’s not is not. Stars are simply too far from each ...

The space agency spotted the quick-moving object with the Atlas telescope in Chile earlier this week, and confirmed it was a ...

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

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

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...