NASA released images of an interstellar comet flying past Mars, and scientists expressed doubt about the possibility that it ...

Tia here with news that a trial of the pill form of the GLP-1 drug semaglutide has failed to delay Alzheimer's progression in ...

Perplexity has just made its AI-powered Comet browser available for Android. Public access arrives just two weeks after early ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

Interstellar comet 3I/ATLAS, third visitor to our system, is pure ice—no technosignatures, says NASA on 19 November 2025.

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles per hour (246,000 kilometers per hour), astronomers didn’t want to miss what ...

NASA released new images of 3I/ATLAS as it plunged towards the sun, captured by a host of the agency’s robots and probes.

Discover Comet by Perplexity, the AI-powered Android browser redefining privacy, efficiency, and smarter online navigation.

Comet Lemmon, or C/2025 A6, was discovered by the Arizona-based Mount Lemmon Survey, which observed it as an almost asteroid‐like object; it was later re-classified as a comet once coma and tail ...