Last week NASA announced the "clearest sign of life that we've ever found on Mars". Amazing news, or a "crushing blow" for humanity?

So, is living off the grid worth it? If you asked me on that particular night, maybe not. If you asked me today, after not having had a power bill in over ...

The solar system holds extraordinary wonders, from Voyager 1’s historic journey into interstellar space after traveling ...

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once ...

A hidden magnetic island inside a coronal hole unleashed a surprise G3 storm, sparking dazzling displays across the US.

A new NASA study suggests that solar activity will remain high or rise further in the coming decades, contradicting previous assumptions that the sun was quieting down — and scientists "don't ...

Erika McEntarfer, who was fired as commissioner of the Bureau of Labor Statistics last month, said official notice of her dismissal came as a complete surprise in a short email from the White House.