Pluto, the king of the underworld, was the ancient Romans' embodiment of death itself. Known as Hades in Greek mythology, ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

Anyone hungry for the icy crunch of a Pluto -like body? No? Well, one nearby white dwarf is going all in on a Pluto-esque snack.

What would happen if you obtained space-bending abilities and decided to test them out by placing Earth between the two ...

Pisces is closely associated with the tarot card, The Moon, which symbolizes feelings of bewilderment and confusion. Their ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Astronomers using the Hubble Space Telescope have uncovered the remains of a frozen, Pluto-like world being devoured by a distant white dwarf star.

Learn when and where to see Comet Lemmon and Comet SWAN this October as they light up the night sky in a rare double comet ...

Kathryn Bigelow’s manhunt thriller, Zero Dark Thirty, is set to leave a free streamer at the end of the month. Find out more ...