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 ...

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

Comet Lemmon will have its closest brush with Earth on or around Tuesday, Oct. 21. Comet SWAN should have its flyby with ...

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 ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...