A treasure trove of Cambrian fossils has been discovered in southern China, providing a window on marine life shortly after ...

Too much studying is harmful,’ Mao insisted, noting that few top scorers in the keju had gone on to accomplish great things.

About 700 million years ago, Earth was entombed in a veneer of ice hundreds of feet thick—a frozen state scientists refer to as “Snowball Earth.” Oceans cooled but managed to retain some heat to avoid ...

In my opinion, invisibility is no longer a science fiction concept.” A B-2 stealth bomber takes off from Nellis Air Force ...