Xinhua News Agency (Feb. 16, 2013) In 1974, the remains of a 3.2-million-year-old hominid were discovered in Ethiopia.
Known as Lucy, the skeleton remains the oldest, and most complete adult human ancestor fully retrieved from ... watch video
June 30, 2015 While studying Yersinia pestis, the bacteria responsible for epidemics of plague such as the Black Death, scientists found a single small genetic change that fundamentally ... read more
June 30, 2015 Researchers have calculated the number of undiscovered meteorite impact sites on Earth's surface. Geologists say a total of 188 have been confirmed so far, and 340 are still ... read more
Nov. 26, 2014 Shifts in the timing and duration of ice cover, especially the possible lengthening of ice-free periods, may impact polar bears under projected warming before the end of the 21st century, experts ... read more
July 7, 2014 A trio of paleontologists has discovered a remarkable new tracksite in Alaska's Denali National Park filled with duck-billed dinosaur footprints -- technically referred to as hadrosaurs -- that ... read more
Mar. 12, 2014 A 70-million-year-old fossil found in the Late Cretaceous sediments of Alaska reveals a new small tyrannosaur. Tyrannosaurs, the lineage of carnivorous theropod ("beast feet") dinosaurs ... read more
Jan. 26, 2011 Tyrannosaurus rex hunted like a lion, rather than regularly scavenging like a hyena, new research reveals. The findings end a long-running debate about the hunting behavior of this awesome ... read more