The interstellar comet 3I/ATLAS has a thick irradiated crust that no longer resembles its home star system, simulations and ...

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

On October 29, the alien comet passed through its closest distance to the Sun (perihelion). In case it's of interest, this ...

The interstellar invader Comet 3I/ATLAS is continuing to surprise scientists, this time by brightening at an unexpectedly ...

A BBC article about moon landing conspiracy theories points out that when Armstrong and Aldrin placed the American flag on the moon, their movements caused the flag to ripple. After they stepped away, ...

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 ...

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

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.