A comet that is likely much, much older than our solar system has spent months traipsing through Earth's cosmic neighborhood. And at long last, NASA has unveiled an unprecedented look at the object, ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...

(KTLA) — NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of speculation — and a full-blown online debate — over whether it could be an ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help ...

NASA’s latest images from Mars show a rock that looks less like a random boulder and more like something deliberately carved, a sculpted shard standing alone on the dusty plain. The discovery has ...