Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

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

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

Venus moves east as July progresses and stands 3° due north of Aldebaran on the 14th, after skirting the northern regions of ...

Vomit Comet “These measurements give us a look at how this enormous, icy world works,” said lead author Nathan Roth of American University and NASA Goddard Space Flight Center. “We’re seeing explosive ...

The bright K2 comet — previously the farthest active comet ever spotted — approaches the Earth on July 13 and 14. ... “Neptune is 30 times the Earth-sun distance,” Jewitt said.

A team of astronomers has made a groundbreaking discovery by detecting molecular activity in comet C/2014 UN271 ...

NASA said the Comet 12P/Pons-Brooks is racing toward its closest approach to the sun on its 71-year-long orbit. The orbit takes it as far away as the orbit of Neptune and as close as the orbit of ...

The comet 67P/Churyumov-Gerasimenko has cliffs, boulders, ... the Irish astronomer Kenneth Edgeworth had suggested a population of such objects could exist beyond Neptune nearly 50 years earlier.

It really rocked their world. Scientists using the James Webb Space Telescope have better observed an asteroid that strangely possesses hybrid characteristics of a comet as well.. The strange rock ...

Currently, the comet is further out than Neptune, a bit over three billion miles from the sun—so far that it’s out of sight for even our largest telescopes and has been since 2003.

A large asteroid-comet hybrid that orbits between Neptune and Jupiter is an intriguing oddball as far as cosmic rocks go. Chiron, as the strange centaur is called, is what astronomers call a minor ...