As interstellar comet 3I/ATLAS races away from the Sun, astronomers are working to decode its story. Each observation adds to ...

I/ATLAS is the third interstellar object ever discovered in our solar system. Telescope observations suggest it is a roughly 7-mile-wide (11 kilometers) comet zooming at more than 130,000 mph (210,000 ...

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

A Harvard University professor has said that 3I/ATLAS experienced a sudden "nongravitational" acceleration while passing ...

Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling ...

The European Space Agency's ExoMars Trace Gas Orbiter has captured unprecedented close-range data on the interstellar object ...

Here's where Comet 3I/ATLAS, Lemmon and SWAN are in the Halloween sky.

AI-infused web browsers are here and they’re one of the hottest products in Silicon Valley. But there’s a catch: Experts and ...

The interstellar object 3I/ATLAS has sparked renewed scientific debate after data from NASA's Jet Propulsion Laboratory ...

JUICE might be bound to Jupiter, but it is fortuitously in place to peek at this object from beyond the stars.

An interstellar comet that originated outside our solar system has just made its closest pass to the sun, brightening ...

Astronomers say 3I/Atlas will be visible in parts of the US sky for a short time, giving viewers a unique look at a comet from beyond our solar system.