How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Astronomers and space agencies continue to track the interstellar comet 3I/ATLAS streaking through solar system at blistering ...

The third interstellar object detected has been named 3I/ATLAS and was discovered on July 1 from Chile. Astronomers from the ...

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

NASA discovered a unique celestial object, which was quickly confirmed to be a comet coming from another solar system. It had ...