It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

Maybe you have had a casual interest in astronomy for years, looking up at the night sky every chance you get. Or maybe you’ve just recently become interested in the wonders hanging high above our ...

One of the boldest dreams in modern astronomy is the search for Earth-like worlds beyond our solar system. These exoplanets may hold oceans, rocky ground, and even atmospheres rich in oxygen or ...