The interstellar visitor may still have a few things to tell us before it leaves our solar system.

A camera on NASA's Mars Reconnaissance Orbiter captured this image of interstellar comet 3I/ATLAS in early October. At the time, the comet was about 19 million miles ...

The comet 3I/ATLAS will soon make its closest approach to Earth. The comet, which was initially believed to be an alien spacecraft, was first discovered on July 1, 2025, by the Asteroid ...

Comet C/2025 A6, known as Comet Lemmon, made its closest approach to Earth, on Tuesday, Oct. 21 for a once in a lifetime window to view the celestial object. After November 12, 2025, it will not be ...

"These images are not just pretty." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It was 4 a.m. on Nov. 25 at the top of Hawaii's dormant ...

A new comet was discovered June 2011 with the Panoramic Survey Telescope and Rapid Response System on a mountaintop in Maui, Hawaii. Comet C/2011 L4 (PanSTARRS) came close to Earth earlier this week ...

A newly discovered comet is about to make its closest pass to Earth on Tuesday night. It should be visible over the Central Coast before it disappears — and won’t be seen again for more than a ...