Sunspot AR 1513 hit Earth's atmosphere with a pulse of X-rays and extreme ultraviolet radiation. The flare also has a…
The NuSTAR black hole telescope unfolded its giant mast in orbit on Thursday, June 21. This is one of the…
WASHINGTON -- The faint, lumpy glow from the very first objects in the universe may have been detected with the…
NASA's Chandra Finds Fastest Wind from Stellar Mass Black Hole WASHINGTON - Astronomers using NASA's Chandra X-ray Observatory have clocked…