Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...
Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...
Astronomers have discovered the biggest explosion seen in the Universe in a galaxy cluster 390 million light years away. At the center of the Ophiuchus galaxy cluster, there is a supermassive black ...
What followed after the bomber released its deadly cargo changed nuclear history forever. From a fireball that nearly touched ...