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

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

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

Sometimes, "the universe comes to us," writes the European Space Agency — the third time now since 2017. What is it and are ...

For only the third time in history, astronomers have identified what they think is an interstellar object — and it could be ...

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

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

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.