Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

An autumn meteor shower yearly responsible for “Halloween fireballs” may pose a small impact threat to Earth. What is the ...

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 ...

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

Comet 3I/ATLAS was first detected on July 1, 2025 by the Asteroid Terrestrial-Impact Last Alert System (ATLAS). As it approached the Sun, it displayed a subtle non-gravitational acceleration, ...

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Elon Musk addressed Harvard researcher Avi Loeb’s theory on interstellar comet 3I/ATLAS, confirming its nickel-rich composition results from natural impacts, not artificial or extraterrestrial origin.

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned ...

NASA has confirmed that interstellar comet 3I/ATLAS safely passed Earth without any deviation from its predicted trajectory, ...

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

The widely talked about Comet 3I/ATLAS will pass by the sun on Thursday, but it will be December before stargazers can get a ...