An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

G3 (ATLAS) is one of the few comets on record that became bright enough to be visible in the daytime without optical aid like ...

Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

G3 has mesmerized astronomers and amateur skygazers for months as the world tried to spot the bright comet in the sky nearing its fatal encounter with the Sun.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.