Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But ...

Learn about the latest image of comet 3I/ATLAS, captured by a European Space Agency spacecraft that's on its way to Jupiter.

This striking image from the science camera on ESA's Jupiter Icy Moons Explorer (Juice) shows interstellar comet 3I/ATLAS ...

NASA’s SPHEREx space telescope has observed interstellar comet 3I/ATLAS flaring dramatically months after its closest pass by the Sun. Only the third confirmed interstellar object ever detected in our ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

On February 17, the comet will make its closest approach to Earth from 94 million miles, roughly as far as the Sun.

This discovery has drawn interest from both professional researchers and skywatchers because comets are ancient remnants from the early formation of ...

By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that ...

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.