Comet 3I/ATLAS was discovered on July 1, 2025, by the NASA-funded ATLAS telescope in Rio Hurtado, Chile and was quickly ...

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma ...

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

Mars. From forming black holes to phantom dark energy, discover the cosmic mysteries astronomers uncovered last year.

Learn about the 3I/ATLAS mystery as Harvard's Avi Loeb reveals 'wobbling jets' that could suggest the interstellar visitor is ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

But 3I/ATLAS is no ordinary rock – it’s a comet from beyond the solar system which greeted the Earth on December 19. It’s ...

For a long time, people have looked up at the stars with both curiosity and fear, wondering when the next messenger from the ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as ever.

The interstellar object 3I/ATLAS showed no signs of alien technology, according to sensitive radio observations conducted by scientists.

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 ...

Among these celestial visitors — the interstellar object 3I/ATLAS, along with C/2025 A6 (Lemmon) and C/2025 R2 (SWAN) — not ...