Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare last glimpse before vanishing into deep space forever.

NASA confirms Comet C/2024 E1's perihelion on 20 January 20 will increase brightness but limit visibility; experts urge ...

The European Space Agency's Jupiter Icy Moons Explorer (JUICE) is scheduled to observe interstellar comet 3I/ATLAS between November 2 and November 25. The Jupiter-bound spacecraft will conduct two ...

NASA’s TESS tracked the interstellar comet during a special observation period from January 15 to 22, 2026.

However, new research has revealed that an 11th-century English monk named Eilmer of Malmesbury actually recognized the comet ...

NASA’s TESS spacecraft tracked interstellar comet 3I/ATLAS in January, capturing data on its motion, brightness, and rotation before it left the solar system ...

Comet C/2024 E1 (Wierzchos) will reach perihelion during a close solar approach on January 20, 2026, increasing brightness and defining its visibility timeline.

In the fall of 2023, Unistellar observers joined forces with the Association Française d’Astronomie (AFA) to take another close look at a familiar visitor: Comet 103P/Hartley 2. This tiny but famously ...