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

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the ...

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

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...

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

As far as physical features, NASA says 3I/ATLAS has speed, color, and direction that are, “consistent with what we’d expect ...

After weeks of silence, NASA has officially dismissed speculation that 3I/ATLAS has anything to do with aliens.

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 ...

Imaging suggests that a lot of the material coming off is in the form of dust grains. NASA indicated that two missions to ...

NASA's treasure trove of new comet 3I/ATLAS images provides hotly anticipated views of the interstellar visitor, including ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...