How the universe got its large magnetic fields has remained one of the stickiest outstanding problems in astrophysics. Now, ...

Our own planet represents a tiny fraction of the peculiar phenomena that can be found lurking throughout the cosmos, and every day astronomers turn up new surprises. In this gallery, we take a look at ...

Most of us see 5 or 6 stars in the Pleiades, a.k.a. the Seven Sisters, star cluster. But there are a whole lot more. The ...