Comet 3I/ATLAS Is Leaving the Solar System: How To See It Before It’s Gone

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

An interstellar comet just reached its closest point to the sun. Don't worry: It won't even come close to Earth.

The comet is on what’s known as a hyperbolic trajectory, which means that it doesn’t follow an orbital path around the sun.

Missed 3I/ATLAS? Five comets passing through solar system to keep an eye out for

While 3I/ATLAS is getting all the attention, there are a number of other comets visible through telescopes and binoculars in ...
SETI Institute

Comet 3I/ATLAS Perihelion Update

What: Comet 3I/ATLAS reached perihelion on October 30, 2025. This special SETI Live explored what scientists have learned about its origin, chemistry, and trajectory ...

3I/ATLAS nears Earth on 29 October 2025: Rare interstellar comet has stunned scientists with cosmic secrets; tips to watch and related FAQs

Earth is set to host a rare visitor, interstellar comet 3I/ATLAS, on October 29, 2025. Discovered in July 2025, this ...

Scientists create 1st-ever 3-dimensional map of world outside Earth's solar system

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...