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

The European Southern Observatory has captured the clearest images yet of the interstellar visitor 3I/ATLAS as it moves ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last ...

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

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

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

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

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

On July 1, 2025, a telescope in Chile detected something unexpected: a faint object streaking across the sky at an unusual ...