The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

A rogue visitor from deep space, Comet 3I/ATLAS, has put NASA on alert after its trajectory and behaviour shifted ...

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, ...

Comet Lemmon (C/2025 A4) will make its closest approach to Earth on November 8th, and is currently visible to the naked eye ...

A rare green comet known as C/2025 A6 (Lemmon) passes Earth for the first time in over 1,300 years, National Geographic said.

Interstellar visitor 3I/ATLAS will reach perihelion on October 29, 2025, sparking theories from alien spacecraft to ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Brooks, which visits the Earth roughly every 71 years, was spotted releasing intriguing radio signals last year.

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

Could a ‘Trojan Horse’ from space be headed our way? Harvard scientist Avi Loeb warns 3I/ATLAS might be more than the average ...

Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.

Comet Lemmon came closest to the Earth when it was 56 million miles away, but will still be a "fairly bright, fuzzy object" ...