Perplexity's new Comet browser has a built-in AI assistant for agentic shopping and summarization features. Here are the ways I'm trying it out.

Comet is based on Chromium and uses Perplexity as its search engine. The web browser with integrated AI assistant initially reserved for Perplexity Max users.

North Korea has expanded its rocket launch facilities with the addition of a new pier.

Set in 1997, the Hale-Bopp comet is passing by Earth, and teenager Maggie Campion has a secret. She can see sounds and hear colors, and she experiences the world in a heightened, special way.

One memory in particular stands out: observing the Hale-Bopp comet in 1997, in the middle of the night, standing in a field while my parents whispered the countdowns for the exposure times to ...

The penultimate Delta IV Heavy rocket from ULA prepares to launch a mission for the National Reconnaissance Office on July 21. (Spectrum News/Will Robinson-Smith) ...

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first spotted on July 1 by the NASA-funded Asteroid Terrestrial-impact Last ...

L3Harris Technologies plans to expand the size of its Arkansas solid rocket motor production facilities, it said on Thursday, as it seeks a sixfold production increase for large solid rocket ...

This week, the U.S. Army delivered three High Mobility Artillery Rocket Systems, known as HIMARS, to Schofield Barracks, with a total of 16 launchers scheduled to be stationed on base ...

Perplexity's CEO says Google is stuck between protecting ad revenue and embracing AI agents in browsers. It needs to "embrace one path and suffer." ...

The comet-like body — called 3I/ATLAS or C/2025 N1 — is zipping past Jupiter.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object." The cosmic interloper, officially named 3I/ATLAS, is only the third ...