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

The nucleus, estimated from Hubble Space Telescope images to be at most a few kilometers across, cannot be resolved in our ...

The eye-opening photos, which were taken “during a number of the agency’s missions,” will be unveiled on Wednesday, November ...

It's possibly as big as Manhattan, likely older than our own solar system, and it's traveling through space at speeds of up ...

A Brown University researcher helps to lead the science team for NASA’s HiRISE camera, which caught images of the comet as it streaked past Mars.

Agency officials said data showed nothing unusual about Comet 3I Atlas despite weeks of speculation that it was a UFO.

While none of the spacecraft have cameras perfectly designed to spot comets zipping by at speeds up to about 153,000 miles ...

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

The newly released Andromeda image represents a decade of careful tracking and uninterrupted observation. Scientists expected a crisp portrait of the neighboring galaxy, but the final scan revealed ...

NASA released fresh images on Wednesday of 3I/ATLAS, that astronomers determined is a comet probably even older than our solar system, as officials dismissed speculation of it being an alien ...

Discovered in July this year, the comet known as 3I/Atlas is only the third confirmed object to visit our corner of the ...