Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...
Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...
The solar system could be packed with 1 million alien visitors, space rocks shaken away from our cosmic neighbor Alpha ...
Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...
Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets ...