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

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

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream views beginning at 6:00 p.m. EDT (2200 GMT).

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

Is the solar system an interstellar highway, with cosmic objects speeding past at warp speeds without human notice? That’s ...

A 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.

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.

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

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 ...

NASA has spotted an intergalactic comet, named 3I/Atlas, that journeyed into our solar system. This icy snowball, the third interstellar object detected, 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 ...

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.