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

The latest trio — Zhang Lu, Wu Fei and Zhang Hongzhang — are the crew of the Shenzhou-21 mission, whose return capsule was ...

NASA's highly anticipated comet 3I/ATLAS images have been released, with a space agency official shooting down alien rumors ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

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

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 ...

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

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

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

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

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