Dead star at heart of cosmic graveyard predicts the sun's fate

An astrophysicist explains why even if you were right next to the Voyager probes 15 billion miles from the sun you could still see them

Annular solar eclipse will turn the sun into 'ring of fire' today. Here's what you need to know.

The world’s most powerful computer could soon help the US build better nuclear reactors: Here’s how engineers will use it to model the complex physics inside the heart of a nuclear power plant.