The definition was seen as a demotion of Pluto from the category of planet to the category of dwarf planet, but it also meant ...

Now, a new analysis has revealed that this extra-puffy 'popcorn' planet has an asymmetrical atmosphere, with significant ...

New research from NASA and Purdue University suggest that dwarf planet Ceres is chock full of water ice that once flowed as a ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some ...

Orbiting Barnard's star, the nearest solo star to Earth, the world is too hot to be habitable—a scorching 257 degrees ...

The red giant phase is pretty crazy. The star's outer atmosphere can expand to hundreds of times its initial size; some ...

"Barnard b is one of the lowest-mass exoplanets known and one of the few known with a mass less than that of Earth." ...

All five hour-long episodes of "Solar System" are available to stream now via BBC iPlayer in the UK (valid TV Licence ...

With a diameter of around 64 kilometers, it is not one of the dwarf planet’s particularly large impact craters. Images taken by Dawn's scientific camera system, which was developed and built under the ...

Barnard's star is a red dwarf, the smallest type of regular star and much smaller and less luminous than our sun. At about 6 ...

A color-enhanced view of Ceres, the nearest dwarf planet to Earth, high­lights its Oc­ca­tor crater. Credit: NASA / JPL-Caltech / UCLA / MPS / DLR / IDA Pluto is the most famous dwarf planet ...