An interstellar comet is passing through our solar system: here is everything you need to know. Comet 3I/ATLAS represents just the third object in history to be known to have entered our solar system ...

An interstellar comet first spotted passing through our solar system in July is beginning its departure from our corner of the universe — but first it will fly by Earth, and scientists are capturing ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) aboard NASA's Europa Clipper spacecraft has made valuable observations of the interstellar comet 3I/ATLAS, which in July became the ...

Comet 3I/ATLAS—the third interstellar object ever known to pass through our solar system—is accelerating and now approaching its closest point to Earth. “Significant” non-gravitational accelerations ...

Scientists used the Gemini North telescope in Hawaii to obtain images of the third-ever detected interstellar object, Comet 3I/ATLAS, on Nov. 26, 2025. Credit: NSF NOIRLab In the spirit of the season, ...

Comet C/2025 A6, better known as Comet Lemmon, was one of the latest icy visitors to swing through our neighborhood of the solar system, leaving astronomers and casual skywatchers equally delighted.

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 ...

Italian astronomers captured rare footage of Comet C/2025 K1 ATLAS tearing itself apart in real-time. The comet's October 8 solar pass vaporized subsurface ice, creating gas pressure that cracked the ...

Agentic AI has arrived on the mobile browser. Comet browser is Perplexity's and is now available for Android and iOS. You can use this browser for free. We all knew ...

The AI-powered browser comes with Perplexity’s built-in AI assistant, which you can use to ask questions about what’s in your tabs. The AI-powered browser comes with Perplexity’s built-in AI assistant ...

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 ...