Comet 3I/ATLAS, only the third interstellar object ever observed, is making its final pass through our skies, offering a rare ...

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 Europa Clipper spacecraft has captured ultraviolet images of interstellar comet 3I/ATLAS, revealing hidden chemical signatures that could transform our understanding of ancient cosmic materials ...

The European Space Agency (ESA) has made an unusual observation of comet 3I/ATLAS in a “test case” for future planetary defense efforts. Using data collected from a Mars-orbiting satellite, ...

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 ...