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 ...

Space & Spaceflight Most Near-Earth Objects Could Be ‘Dark Comets,’ Neither Comets Nor Asteroids The mysterious objects may be far more common than we thought and may have brought water to Earth.

A new study has raised warnings about "dark comets" which are hard to detect and could pose a terrible threat to Earth.

The first dark comet was spotted in 2016 when scientists noticed that the trajectory of near-Earth asteroid 2003 RM was a little wonky for your typical space rock.

‘Dark comets’ could reveal how Earth got its oceans Scientists still do not know where the water here on Earth came from. But two populations of so-called dark comets may tell us.

New research of dark comets explores how water that makes up the oceans acted as a key ingredient for the development of life on Earth — and brought us oceans.

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

As researchers continue to study dark comets, they hope to unravel more mysteries about their nature and significance in the context of planetary formation and the development of life on Earth.

A dark comet is one that doesn't have a visible coma or tail, but when measured, has this additional non-gravitational acceleration. Taylor and their colleagues studied the seven known dark comets 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 ...

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 ...