The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

Astronomer Gianluca Masi captured a spectacular image of interstellar comet 3I/ATLAS on Nov. 19, as it raced headlong away ...

On Wednesday, Nov. 19, NASA will unveil more 3I/ATLAS images captured by the space agency's fleet of instruments both on the ...

NASA spacecraft across the inner solar system captured new views of Comet 3I/ATLAS—the third known interstellar object ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." ...

NASA has a number of telescope assets which have captured images of interstellar comet. They include: The Hubble, Webb, TESS, ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.

What does it mean when a comet racing at about 130,000 miles per hour shows hydrogen signatures unlike anything seen in our ...