One of the prettiest stars in the winter evening sky has to be Rigel, the bright blue-white “foot” of the constellation Orion the Hunter. Actually, it is hard to say which is the prettiest star. After ...

Everybody's always worried about Betelgeuse in Orion blowing up as a supernova. There's a good chance that may happen one day, but no need to panic. The star's too far away to trouble earthlings with ...