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

Jupiter is the biggest planet in our solar system, according to NASA. Jupiter’s radius is over 11 times the equatorial radius ...

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 ...

There's a class of objects journeying around our solar system dubbed "centaurs." They don't come near Earth, but NASA just ...

But that doesn't necessarily mean planets are perfect spheres. "We call them round, but they're not really perfectly round, ...

The world—which orbits Barnard's Star, just six light-years from us—has a year that lasts barely three Earth days.

Lonely No Longer Astronomers using the Very Large Telescope in Chile have discovered that Barnard's star, the closest single ...

Astrobiologists have wondered if simple, microbial life could exist on Ceres, the closest frozen ocean world to Earth at an ...

Snapchat Friend Solar System is a premium feature that lets you visualize your closest friends as planets that revolve around ...

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

The radius of the largest planet in the solar system is over 11 times the equatorial radius of the Earth. Skipping the US This country's safest A spotlight on America Lost, damaged? Tell us ...

While this planet has a surface temperature too high to be suitable for life, the researchers found what they called ‘strong ...