Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

When Perplexity first launched its Comet AI browser in July, we warned that users might want to steer clear. But a lot can change in a few months, and since July, Perplexity has been improving its ...

The AI startup is styling Comet as a serious competitor to Chrome. The AI startup is styling Comet as a serious competitor to Chrome. is a London-based reporter at The Verge covering all things AI and ...

A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a scientist has detailed in a new report. Avi Loeb claims the comet could even be ...

This image composed from multiple exposures and provided by NSF's NOIRLab shows a comet streaking across a star field above the International Gemini Observatory on Cerro Pachon, near La Serena, Chile.

A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will hurtle within 18 million miles ...

Perplexity released its Comet browser free to the public after a limited beta. The free browser includes built-in AI assistant features. Perplexity's Comet browser answers questions directly while you ...

A comet from another star system is swinging by Mars as a fleet of spacecraft trains its sights on the interstellar visitor CAPE CANAVERAL, Fla. -- A comet from another star system will swing by Mars ...

CAPE CANAVERAL, Fla. (AP) — A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor. The comet known as 3I/Atlas will ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...