An explosion in space so massive you'll be able to look up and see it in the night sky without a telescope could happen "any day now," a NASA expert said Wednesday. The stellar burst, called a nova, ...

A red giant star and white dwarf orbit each other in this animation of a nova similar to T Coronae Borealis. (NASA/Goddard Space Flight Center) A rare nova explosion will soon be visible in the ...

The stars aren’t fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn’t one before, and then it fades away in a matter of days or weeks. The ...

You won't need solar eclipse glasses for this one. An explosion in space so massive you'll be able to look up and see it in the night sky without a telescope could happen "any day now," a NASA expert ...