On July 1, the ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope reported the discovery of A11pl3Z, an object whose orbit looked like it came from another star. Now we know that ...

The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...

NASA said the comet poses no threat to Earth and will stay at a distance of some 240 million kilometers. It is now at a distance of some 4.5 astronomical units (some 416 million miles or 670 million ...

I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Astronomers using the Hubble Space Telescope spotted Comet C/2014 UN271, which has a solid nucleus that reaches 85 miles across. That’s more than twice the width of Rhode Island.

Hubble telescope confirms largest comet nucleus ever seen by astronomers The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than ...

That’s the solid, central part of the comet composed of rock, dust and ice that is separate from its trailing tail. NASA said on Tuesday that the nucleus of C/2014 is around 80 miles across ...

The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.

The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.

The comet, known as C/2014 UN271 (Bernardinelli-Bernstein), has an estimated diameter of about 80 miles. That's bigger than Rhode Island and about 50 times larger than the heart of most comets.