Sometimes "the universe comes to us," writes the European Space Agency. For the third time since 2017, an interstellar object ...

Astronomers have confirmed the presence of 3I/ATLAS, a rare interstellar comet originating from a distant star system, now traversing our solar system.

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

Astronomers have confirmed the discovery of a rare celestial visitor from beyond our Solar System. The comet was first spotted on 1 July 2025 by the Asteroid Terrestrial-impact Last Alert System ...