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

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

Discover why another scientist believes 3I/Atlas could be an intelligent visitor from another solar system in this intriguing ...

Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially ...

It’s not the first time he has theorised an alien origin of a comet. There have only been three comets identified as coming ...

NASA is studying interstellar object 3I/ATLAS to refine its planetary defence systems, using the comet's rare trajectory as a ...

As 3I/ATLAS approached the inner solar system in September, the Nordic Optical Telescope in Spain's Canary Islands recorded a ...

Astronomers worldwide are intensely studying 3I/ATLAS, a mysterious interstellar object entering our solar system. Its ...

In 1977, astronomer Jerry Ehman discovered the mysterious “Wow! Signal” — a powerful radio burst from deep space at the hydrogen line frequency. Nearly five decades later, scientists believe the newly ...

The comet, called 3I/ATLAS, is the third known interstellar object that has come through our solar system. As it flies deeper into the solar system before leaving our cosmic neighborhood some time ...