The dwarf planet candidate, called ED138, appeared in telescope images and takes roughly 280 years to orbit the sun.

There are planets in our universe that would give you nightmares. Planets with ice hotter than burning metal, planets that ...

Archived observations appear to show a moving object in the far-distant outer solar system, but its reality is unclear ...

Mars: Mars is high in the sky all month. It rises out of the eastern horizon shortly after midnight at the start of November ...

Just in time for Halloween, scientists have announced the discovery of a decidedly spooky green star, the first ever found. Spookier still, the object is a white dwarf, the remnant of a star that ran ...

The planets orbit the Sun in roughly the same plane because of events that began billions of years before Earth existed. As a rotating cloud of gas and dust collapsed into a protoplanetary disk, ...

Modern space exploration hasn't quite reached "Star Trek" levels of boldly going where no one has gone before. But if, like ...

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

Two newly confirmed "super-puff" planets are so diffuse that they are less dense than cotton candy, despite being about the size of Jupiter. Their rare orbital relationship and enormous, lightweight ...

Today, I took a break from simulating game balance and spent some time adjusting the visuals of Mother Planets for the first ...