Seeing it will take patience, darkness, and a serious telescope. Discovered in early July 2025 by the Asteroid ...

When Comet 3I/ATLAS roared into the solar system this summer, it launched a scientific scramble to study what astronomers ...

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

Astronomers are hustling to use interplanetary spacecraft to study the interstellar comet dubbed 3I/ATLAS while the sun is ...

The comet could be older than our solar system. The comet is also distinct because nickel vapor was detected in the gas ...

Time now for an interstellar flyby. Let's meet a very old comet, 3I/ATLAS. DARRYL SELIGMAN: 3I/ATLAS is probably somewhere between 3 billion to 11 billion years old. So it's presumably been traveling ...

As the mysterious interstellar comet 3I/ATLAS speeds towards its perihelion on 29 October 2025, NASA's Asteroid ...

ESA’s Mars orbiters have observed comet 3I/ATLAS, only the third interstellar comet ever discovered. The faint, distant object revealed a glowing coma as it was heated by the Sun. Researchers are ...

The mystery behind the famous 1977 “Wow!” signal has gained renewed attention after a Harvard astronomer proposed that the newly observed interstellar object 3I/ATLAS may be linked to the event. The ...

In Rio Hurtado, Chile, 3I/ATLAS was first observed in the night sky by the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope. On July 1, it was captured hurtling through space at ...

A European Space Agency spacecraft orbiting Mars caught a glimpse of interstellar comet 3I/ATLAS last week. Credit: ESA / D. Ducros illustration As a visitor from another solar system made its closest ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...