Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

They occur when magnetic field lines in the sun's atmosphere tangle and snap, releasing large amounts of excess energy, including powerful X-rays and ultraviolet ... for the blast is located ...

(Gamma rays are on the same radiation ... "It's like pointing a telescope at the sun," Cendes explained. "It saturated the detectors." The blast "ranks among the most luminous events known ...

Here's hoping you still have those eclipse glasses lying around from last year, because you have a chance to witness the next ...

We look at the four lightweight hoodies from VOORMI, Patagonia, Anetik and Outdoor Research that will protect you from harmful sun rays. By integrating SPF protection and wicking materials ...