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

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The growth spurt hints that the free-floating object evolves like a star, providing clues about rogue planets’ mysterious origins.

A team of astronomers used an "Earth-sized super telescope" to detect an object that emits no light, via gravitational ...

This captivating video explores Sedna, one of the most distant and mysterious dwarf planets in our solar system. Discovered in 2003, Sedna orbits the Sun once every 11,400 years, traveling through icy ...

"Dust affects everything on Mars — from local weather to how well we can take images. It's difficult to overstate its ...