Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...

“This distinction sets up a great natural experiment for us to see if the shape, or size, of bends in rivers is distinct from those in volcanic or ice channels,” said Tim Goudge, a co-author on the ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

That situation is called "sun-synchronous" and would force one side of our planet to always face the sun, and the other side to permanently face away. By comparison: Earth's moon is already in an ...

For example, Mercury, being closest to the sun, takes just 88 Earth days to complete one orbit. On the other hand, Neptune, the farthest planet from the sun, takes about 165 Earth years!

has seven Earth-sized planets that all transit the star from our point of view. The planets in that system are actually in resonance with each other – meaning the outermost planet completes two ...