Like the newly-identified 2014 UN271, the NEOWISE comet pictured here is a long-period comet originating in the Oort Cloud. Photo by NASA Johnson via Flickr under CC BY-NC-ND 2.0 Amateur astronomers, ...

The comet will make its closest approach to Earth in 2031, and it’s already attracting major attention from astronomers. Reading time 3 minutes Bernardinelli-Bernstein is officially the largest comet ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be chemically active. When you purchase through links on our site, we may earn an ...

An object of unusual size will make its closest approach to the Sun in 2031, during which time it will swing past the orbit of Saturn and possibly turn into an exceptionally large comet. Astronomers ...

The cold and mysterious Oort cloud at the edge of our solar system may be hiding a rogue exoplanet, new research suggests. When you purchase through links on our site, we may earn an affiliate ...

Astronomers searching for the faintest glimmers of light beyond distant Pluto say they’ve discovered a new dwarf planet – and that this planetoid’s movements hint that an invisible giant planet ...

Meteorites burn up in Earth’s atmosphere on a regular basis, but a space rock that landed in Canada last year threatens to shake up our entire understanding of the solar system. Scientists traced its ...