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Human Y Chromosome Much Older Than Previously Thought
March 5, 2013 — The discovery and analysis of an extremely rare African American Y chromosome push back the time of the most recent common ancestor for the Y chromosome lineage tree to 338,000 years ago. This time ... > full story -
New Fossils of Crocodilian, Hippo-Like Species from Panama
March 5, 2013 — Paleontologists have discovered remarkably well-preserved fossils of two crocodilians and a mammal previously unknown to science during recent Panama Canal excavations that began in ... > full storyMore: -
Remains of Extinct Giant Camel Discovered in High Arctic
March 5, 2013 — Remains of an extinct giant camel have been discovered on Ellesmere Island in Canada's High Arctic. The evidence collected is from 30 fragments of a leg bone, dating to about three-and-a-half million ... > full story -
Ancient DNA Solves 320-Year-Old Mystery: Origins of Now Extinct Falkland Islands Wolf
March 5, 2013 — Researchers have found the answer to one of natural history's most intriguing puzzles -- the origins of the now extinct Falkland Islands wolf and how it came to be the only land-based mammal on the ... > full story -
'True Grit' Erodes Assumptions About Evolution of Earth's First Grasslands
March 4, 2013 — New work in Argentina where scientists had previously thought Earth's first grasslands emerged 38 million years ago, shows the area at the time covered with tropical forests rich with palms, bamboos ... > full story -
Feeding Limbs and Nervous System of One of Earth's Earliest Animals Discovered
February 27, 2013 — Unique fossils literally 'lift the lid' on ancient creature's head to expose one of the earliest examples of food manipulating limbs in evolutionary history, dating from around 530 million years ... > full story -
Resurrection of 3-Billion-Year-Old Antibiotic-Resistance Proteins
February 27, 2013 — Scientists are reporting "laboratory resurrections" of several 2-3-billion-year-old proteins that are ancient ancestors of the enzymes that enable today's antibiotic-resistant bacteria to shrug off ... > full story -
Evolution and the Ice Age
February 26, 2013 — Scientists are discovering how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of the dinosaurs or to the ... > full story -
Jurassic Records Warn of Risk to Marine Life from Global Warming
February 19, 2013 — The risk posed by global warming and rising ocean temperatures to the future health of the world's marine ecosystem has been highlighted by scientists studying fossil ... > full story -
How the Whale Got Its Teeth: Scientists Explore Development of Unique Dentition of 'Toothed Whales'
February 19, 2013 — Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar ... > full story
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