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One Gene, Many Mutations: Key That Controls Coat Color in Mice Evolved Nine Times
March 14, 2013 — Scientists have shown that changes in coat color in mice are the result not of a single mutation, but many separate mutations, all within a single gene. The results start to answer one of the ... > full story -
DNA Study Clarifies How Polar Bears and Brown Bears Are Related
March 14, 2013 — A new genetic study of polar bears and brown bears upends prevailing ideas about the evolutionary history of the two ... > full storyMore: -
Strange Spaghetti-Shaped Creature Is Missing Link: Discovery Pushes Fossil Record Back 200 Million Years
March 13, 2013 — Canada's 505 million year-old Burgess Shale fossil beds, located in Yoho National Park, have yielded yet another major scientific discovery -- this time with the unearthing of a strange ... > full storyMore: -
Untangling Life's Origins
March 11, 2013 — Researchers have been using bioinformatics techniques to probe the world of proteins for answers to questions about the origins of ... > full story -
Light Shed on Ancient Origin of Life
March 7, 2013 — Researchers discovered important genetic clues about the history of microorganisms called archaea and the origins of life itself in the first ever study of its kind. Results of their study shed light ... > full story -
Siberian Fossil Revealed to Be One of the Oldest Known Domestic Dogs
March 6, 2013 — Analysis of DNA extracted from a fossil tooth recovered in southern Siberia confirms that the tooth belonged to one of the oldest known ancestors of the modern ... > full story -
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 -
Origin of Life
Asteroids, Comets and Meteors
Earth Science
Near-Earth Object Impacts
Geology
Geochemistry
New Evidence That Comets Could Have Seeded Life on Earth
March 5, 2013 — Scientists have shown that complex molecules can form on icy dust in space, suggesting that comets may have brought these molecules to Earth and seeded the growth of more complex building blocks of ... > 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 -
How Did Early Primordial Cells Evolve?
February 28, 2013 — New research on bacteria examines how primordial cells could have evolved without protein machinery or cell walls. While the vast majority of bacteria have cell walls, many bacteria can switch to a ... > full story
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