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 ...

I/ATLAS, also known as C/2025 N1 (ATLAS), originated in a distant star system, far beyond the boundaries of our solar system.

Interstellar visitor Comet 3I/ATLAS was discovered just a week ago and ever since, astronomers across the world have been ...

Astronomers have confirmed the presence of 3I/ATLAS, a rare interstellar comet originating from a distant star system, now traversing our solar system.

“ [Comet 3I/ATLAS] will be a tiebreaker of sorts,” says Mario Jurić, an astronomer at the University of Washington and discovery software lead at the recently completed Vera C. Rubin ...

Astronomers do know that 3I/ATLAS is a comet that's about 670 million kilometers (416 million miles) away from the sun. Based on current projections, it poses no danger to planet Earth.

Anatomy of an interstellar object Comet 3I/ATLAS follows two other intriguing interstellar objects, called ISOs, that once passed through our solar system: ‘Oumuamua in 2017 and 2I/Borisov in 2019.

Little is known so far about comet 3I/ATLAS. Astronomers estimate its diameter to be 12 miles (20 kilometers), with significant uncertainty due to the object’s brightness, Masi said.

Space Interstellar comet hurtling through solar system named 3I/ATLAS An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

The new interstellar comet's official name is 3I/ATLAS. It's officially the third known interstellar object to pass through our solar system, and it poses no threat to Earth.

This diagram shows the trajectory of interstellar comet 3I/ATLAS as it passes through the solar system. It will make its closest approach to the Sun in October. Credit: NASA/JPL-Caltech ...