Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

They may not work well right now, but Perplexity’s Comet browser and ChatGPT’s Agent mode say a lot about where AI is headed ...

(Reuters) -Nvidia-backed Perplexity AI, the startup challenging Google with its AI-powered search engine, is in discussions ...

Mostly sunny, pleasant, and comfortable today. Highs around 80. Strong to marginally severe storms possible Saturday. Get the ...

One of the best meteor showers visible to the naked eye has begun in the northern hemisphere, with large fireballs and long wakes of light across the sky able to be seen. The Perseid Meteor Shower, ...