A rare interstellar comet is flying through our solar system. Here's how—and when—you might be able to see Comet ATLAS from ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

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

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

The comet, recently designated 3I/ATLAS, was first observed on July 1 by the NASA-funded Asteroid Terrestrial-impact Last Alert System telescope in Rio Hurtado, Chile. At the time of its unexpected ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.