A strange class of space rock known as a "dark comet" has qualities of both asteroids and comets — and the hard-to-spot objects may pose a larger threat to Earth than we thought, according to ...

A new study suggests that up to 60% of near-Earth objects are dark comets, a nearly invisible hybrid object that behaves like a comet and an asteroid at the same time.

Nearly invisible “dark comets” may have been responsible for bringing much of the water found on Earth to our planet ages ago. However, they could also pose a very terrible threat to Earth ...

A recent study suggested that nearly 60% of all near-Earth objects are dark comets that may have been a part of much larger bodies in the main asteroid belt, a region of the solar system that lies ...

"Dark comets," which are near-Earth asteroids that behave like comets and could contain water ice, have mostly come from the asteroid belt between Mars and Jupiter and could make up as much as 60% ...

The team estimates that between 0.5 and 60 percent of near-Earth objects could be dark comets. "These pieces will also have ice on them, so they will also spin out faster and faster until they ...

This is what a recent study published in Icarus hopes to address as a team of international researchers investigated the origins of dark comets and their evolution throughout the history of the solar ...

Inner dark comets are smaller – typically 1,000 feet in size – and on circular orbits close to the Earth. Outer dark comets, shown in red, have longer orbits than inner dark comets, shown in gray.

Dark comets, which are cross between an asteroid and comet, can make up as much as 60 percent of near-Earth objects.

A strange class of space rock known as a "dark comet" has qualities of both asteroids and comets — and the hard-to-spot objects may pose a larger threat to Earth than we thought, according to ...

A strange class of space rock known as a "dark comet" has qualities of both asteroids and comets — and the hard-to-spot objects may pose a larger threat to Earth than we thought, according to ...