When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019 ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

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

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

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

The rocky bodies, which look like asteroids but act like comets, could comprise up to 60% of near-Earth objects.

NASA researchers have discovered seven new dark comets, asteroids that act like comets, and they say there could be even more ...

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

It was discovered the following year by Carolyn and Eugene M. Shoemaker, and David Levy and was the first comet ever known to ...

Dark comets are a newly defined type of near-Earth object that resemble asteroids but behave like comets, exhibiting dynamic ...

Discover the fascinating feature of WASP-69 b, a hot Jupiter exoplanet with a comet-like tail of gas, shedding light on ...

Comets masquerading as asteroids are being found in increasing numbers, with 14 now known in the asteroid belt.