Elon Musk said in an interview this week with Fox News host Jesse Watters that his focus on Mars has to do with ensuring ...

If you're banking on Earth being around forever, Elon Musk has some grim news: we're living on borrowed time—and the sun has ...

Elon Musk said we must move to Mars because the Sun will swallow the Earth, ending life — which won't happen for another six ...

Solar Orbiter pieced together 200 ultraviolet images to show our star’s million-degree atmosphere in all its glory.

"It's important to find more of these [white dwarf planetary] systems because they can teach us about the survival or destruction of planets around stars like the sun as they enter old age," said ...

A massive solar tornado, big enough to swallow the Earth, was observed twirling across the surface of the "quiet" sun last ...