Only three objects have ever been caught passing through the solar system from somewhere else entirely, and the latest of ...

A newly brightening __Comet C/2025 R3 (PanSTARRS)__ is making a striking pass through the inner solar system, reaching its closest point to Earth on April 26, according to __NASA__ observations.

Ever since celestial objects from outside our solar system have begun being spotted in our cosmic vicinity, a lot of people have started feeding on the hope that maybe one of them is a spaceship, and ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Comet PanSTARRS ion tail ...

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing ...

Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a truly “great” one. Comet C/2025 R3 (PanSTARRS) hangs above Bietschhorn in ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Can you tell the difference between a meteor — also called a ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

C/2025 R3 (Pan-STARRS) now shows a striking, well-structured ion tail, though some of the detail is softened by the long exposure. — Wikipedia/Dimitrios Katevainis A rare, long-period comet is making ...