Stargazers using telescopes should be able to see the object in the predawn sky beginning Nov. 11, according to EarthSky.

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an ...

November's Sky Above episode features a supermoon, meteor shower, and interstellar comet, with experts discussing these ...

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

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 ...

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

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.

After conjunction and perihelion, the comet has come out from behind the solar glare and the first image shared.

On Wednesday morning, students at Willie Mae and Ecomet Burley Primary School had an out-of-this-world experience.

A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

The early growth of the gas giant carved rings that formed primitive meteorites and shaped the architecture of the inner ...