Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

COLUMBUS, Ohio — In a cosmic first for this decade, astronomers have identified a mysterious comet from another galaxy — ...

The interstellar comet 3I/Atlas is the fastest and largest of its kind, giving astronomers a rare glimpse into extrasolar ...

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

Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...

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

“It’s very exciting!” Hopkins, an astrophysics graduate student at the University of Oxford, told IFLScience. “I’ve been ...

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

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

The third object known to have entered the Solar System from interstellar space has an origin unlike either of its ...

The comet was discovered by the NASA -funded Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope in Chile on July 1, and it's currently within Jupiter's orbit. According to NASA, it ...

Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets ...