The flight of 3I/ATLAS through the solar system last year was a stroke of luck for research. The water in the object was also ...

The comet that rambled past us from another star last year likely originated in a cold, isolated corner of the galaxy that ...

"It's a profound idea that we are looking at a map of material that could rain on nascent planets and potentially support ...

A mysterious interstellar comet older than the Sun is exposing alien chemistry and rewriting astronomy as we know it.

3I/ATLAS is now sailing away from Earth and our solar system itself, but astronomers have already learned a wealth of ...

The third confirmed interstellar body to visit our solar system is being revealed as a time capsule from a very different ...

A team of astronomers from the European Space Agency have found that a huge interstellar object in space is ejecting water ...

A comet named 3I/ATLAS was first discovered on July 1, 2025, and is located about 420 million miles away from Earth, ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

Some observers have questioned whether the general public is ready for the reality of what may be moving through our skies ...