Exploding stars V462 Lupi and V572 Velorum are best seen from the Southern Hemisphere. One has been spotted from the United States.

A cataclysmic variable star isn’t technically a single object. Instead, it’s a compact binary system composed of a white ...

From 'Moonlight' to 'Parasite,' documentaries to superhero epics — our picks for the greatest movies of the past 25 years ...