What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but.

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

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

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

NASA has discovered the interstellar comet 3I/Atlas, located 4.5 au from the Sun, offering a rare glimpse into celestial ...

This animation shows the observations of comet 3I/ATLAS when it was discovered on July 1, 2025. The NASA-funded ATLAS survey telescope in Chile first reported that the comet originated from ...

The NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, first reported observations to the Minor Planet Center of comet 3I/ATLAS on July 1, 2025.

NASA's ATLAS telescope has detected a fast-moving interstellar comet, 3I/Atlas, which poses no threat to Earth. The comet is expected to approach the Sun around October 30.