NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...

Two comets, C/2025 A4 (Lemmon) and C/2025 R2 (SWAN), are about to reach their closest approach to Earth and you can watch the ...

Alex Wakim, a composer, thought falling in love should feel operatic. But after meeting Mollina So in their hometown, he ...

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. SpaceX launches the 11th test flight ...

Perplexity's Comet AI browser is now free for everyone worldwide. The browser had previously only been available to Perplexity Max users at a cost of $200 per month. The company says that it has ...

AI search startup Perplexity is making its new Comet browser available to everyone in the world for free as it works to position the product against big browsers and search engines. For certain paid ...

Former Indianapolis Colts All-Pro linebacker Shaquille Leonard’s career didn’t end the way anyone hoped. Injuries stole some of his trademark explosiveness, and over the past few years, it felt like ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Stargazers will be happy to know that October will see the cosmos ...

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 ...

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be unusually massive. The comet was first spotted on July 1, 2025, by the ATLAS ...

Perplexity AI introduces Comet Browser, an AI-driven web browser. It rivals Google Chrome with intelligent tools. Comet supports extensions and bookmarks. It summarizes content and automates tasks.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...