The comet 3I/ATLAS arrived in the solar system with a reputation for being unruly, but its latest trick has stunned even ...

Interstellar visitor 3I/ATLAS could now be the most famous comet ever (you’ve probably already forgotten 2024 YR4, right?) as ...

The exercise, which began on November 27, 2025, and will run through January 27, 2026, is not a response to any known threat, ...

A newly detected radio signal from 3I/Atlas matches the natural emissions of a comet, effectively ending the speculation that it is alien-made.

Astronomers found signs that mysterious interstellar object 3I/ATLAS is radiating a "heartbeat" pulse of light that repeats ...

For thirty years, SOHO has watched the Sun from a stable perch in space, revealing the inner workings of our star and ...

The new Hubble image shows a compact, bright nucleus wrapped in clouds of gas and dust, which is called the coma ...

Space questions everything about what we know about existence and consists of gigantic stars, icy comets and distant worlds ...

He thought they were being real NAS-holes. Scientist Avi Loeb slammed NASA’s so-called jaw-dropping hi-res photos of the interstellar entity, calling them “fuzzy” and claiming that they do nothing to ...

The exploration of planets is exciting and all, but true discoveries and some of the answers to the fundamental questions that have plagued our species for centuries will most likely come from us ...

NEW YORK – Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere. Both hail from the outer edges of our solar system — possibly what's known ...