A large trough of low pressure stuck across the central U.S. is bringing heavy rains and flooding to the Southeast. This weather pattern is very unusual for July.
Mysterious bright radio flashes that appear for only a brief moment on the sky and do not repeat could be the final farewell of a massive star collapsing into a black hole.
The object G1.9+0.3 is 28,000 light-years from Earth, near the center of our Milky Way. It's an expanding shell in space, left behind by a recent supernova.
Model of ape history during the past 15 million years has been fashioned through the study of genetic variation in a large panel of humans, chimpanzees, gorillas and orangutans.
Researchers have studied an early galaxy in unprecedented detail and determined a number of important properties such as size, mass, content of elements and have determined how quickly the galaxy forms new stars.