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 ...

I/ATLAS, the rare comet currently making headlines as it travels through our solar system, made its closest approach to Mars ...

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

A rare cosmic visitor, 3I/ATLAS, the third confirmed interstellar object, was discovered in July 2025. This object, on a ...

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

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 ...