On February 17, the comet will make its closest approach to Earth from 94 million miles, roughly as far as the Sun.

The comet broke into pieces after making a close approach around the sun in October 2025.

A stray comet from another star swings past Earth this week in one last hurrah before racing back toward interstellar space. Discovered over the summer, the comet known as 3I/Atlas will pass within ...

A comet, dubbed C/2025 K1 (ATLAS), spectacularly broke apart into three huge chunks — and anybody with an eight-inch telescope or bigger can catch the resulting fireworks show for the next several ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...

As it slips back into deep space, the interstellar comet 3I/ATLAS is behaving in ways that defy expectations. Instead of ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

The images show the comet's core breaking apart into three or possibly four fragments. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

The comet broke into pieces after making a close approach around the sun in October 2025. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.