Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

The first dark comet—a celestial object that looks like an asteroid but moves through space like a comet—was reported less ...

Researchers have doubled the number of known dark comets, identifying two distinct types: larger ones in the outer solar system and smaller ones in the inner solar system. This discovery raises new ...

By doubling the number of known "dark comets," astronomers have been able to split them into two camps depending on their ...

A new category of space rock called “dark comets” are proving more common than previously thought, with 14 asteroid-comet ...

NASA has announced the discovery of seven astronomical objects that come in two flavors; they look like asteroids but ...

The study also reveals that these mysterious objects fall into two distinct groups based on their orbit and size. With this ...

The South American nation of Argentina may not be a country that instantly comes to mind when one thinks of aviation and ...

This new data reveals that not even all dark comets are the same: there are at least two different kinds. And, in turn, the ...

NASA is investigating "dark comets," mysterious celestial bodies lacking the bright tails typical of comets. With ...