The interstellar visitor posed no threat to our planet, but experts thought it could fight dangerous asteroids looking to ...

Speculations about an alleged Planetary Defence Initiative stemmed from the International Asteroid Warning Network Campaign ...

UN launches a global planetary-defence campaign as interstellar comet 3I/ATLAS speeds past Earth, sparking both scientific ...

Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

I/ATLAS has officially been added to the International Asteroid Warning Network's Comet Astrometry Campaign threat list ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

Contextualizing speed and distance helps set expectations. Around perihelion, 3I/Atlas is moving at roughly 68 km per second. Its closest approach to Earth is about 1.8 AU, near December 19, which is ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper ...

Harvard scientist Avi Loeb warns that 3I/ATLAS could be an extraterrestrial “Trojan horse” whose presence has major ...

A UN-endorsed group focused on planetary defense has locked onto 3I/ATLAS as the mysterious interstellar visitor fuels alien ...

I/ATLAS puts the Planetary Defense Network on watch. NASA and ESA say no threat as IAWN drills tracking, while Harvard’s Avi Loeb raises an alien-origin idea.

I/ATLAS, a giant interstellar object, exhibits strange behavior, alarming scientists and prompting NASA's emergency probe.