Comet 3I/ATLAS was first detected on July 1, 2025 by the Asteroid Terrestrial-Impact Last Alert System (ATLAS). As it ...

Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

Perihelion is the point on an orbital course that brings a body closest to the sun. C/2025 K1 (ATLAS) is an Oort cloud comet ...

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled ...

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

"The implication of alien technology would be huge and therefore we must take it seriously,” Harvard's Avi Loeb told Newsweek ...

Amazon has issued a cease-and-desist to Perplexity AI over its Comet browser agent making purchases. Amazon alleges fraud and ...

Perplexity's Aravind Srinivas addresses Amazon's legal threat against their AI browser, Comet. He stresses the importance of ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Comet 3I/ATLAS, which made a close approach to the sun, has prompted lots of public interest. Kim Kardashian asked NASA's ...

A Harvard astrophysicist who believes the Manhattan-sized comet hurtling towards Earth could possibly be fueled by alien ...