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A Battle of the Vampires, 20 Million Years Ago?
They are tiny, ugly,
disease-carrying little
blood-suckers that most
people have never seen or
heard of, but a new
discovery in a one-of-a-kind
... > full story
Mouse to Elephant? Just Wait 24 Million Generations
Scientists have for the
first time measured how fast
large-scale evolution can
occur in mammals, showing it
takes 24 million generations
for a mouse-sized animal to
... > full story
New Insights Into an Ancient Mechanism of Mammalian Evolution
A team of geneticists and
computational biologists
have reveal how an ancient
mechanism is involved in
gene control and continues
to drive genome evolution. ... > full story
Over 65 Million Years, North American Mammal Evolution Has Tracked With Climate Change
Climate changes profoundly
influenced the rise and fall
of six distinct, successive
waves of mammal species
diversity in North America
... > full story
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Ancient Meat-Loving Predators Survived for 35 Million Years
December 6, 2011 — A species of ancient predator with saw-like teeth, sleek bodies and a voracious appetite for meat survived a major extinction at a time when the distant relatives of mammals ruled the ... > full story -
Pristine Reptile Fossil Holds New Information About Aquatic Adaptations
November 16, 2011 — Extinct animals hide their secrets well, but an exceptionally well-preserved fossil of an aquatic reptile, with traces of soft tissue present, is providing scientists a new window into the behavior ... > full story -
Fossil Moths Show Their True Colors
November 15, 2011 — The brightest hues in nature are produced by tiny patterns in, say, feathers or scales rather than pigments. These so-called "structural colors" are widespread, giving opals their fire, people their ... > full story -
Whiskers Marked Milestone in Evolution of Mammals from Reptiles
November 10, 2011 — New research comparing rats and mice with their distance relatives the marsupial, suggests that moveable whiskers were an important milestone in the evolution of mammals from ... > full story -
No Need to Shrink Guts to Have a Larger Brain
November 9, 2011 — The so-called expensive-tissue hypothesis, which suggests a trade-off between the size of the brain and the size of the digestive tract, has been challenged. Researchers have now shown that brains in ... > full story -
'Saber-Toothed Squirrel': First Known Mammalian Skull from Late Cretaceous in South America
November 2, 2011 — Paleontologists have discovered two skulls from the first known mammal of the early Late Cretaceous period of South America. The fossils break a roughly 60 million-year gap in the currently known ... > full story -
Humans and Climate Contributed to Extinctions of Large Ice Age Mammals, New Study Finds
November 2, 2011 — Both climate change and humans were responsible for the extinction of some large mammals, according to research that is the first of its kind to use genetic, archeological, and climatic data together ... > full storyMore: -
First North American Hunters 1,000 Years Earlier Than Previously Thought, Speared Mastodon Fossil Shows
October 20, 2011 — A new and astonishing chapter has been added to North American prehistory in regards to the first hunters and their hunt for the now extinct giant mammoth-like creatures -- the mastodons. New ... > full storyMore: -
Heart Disease Linked to Evolutionary Changes That May Have Protected Early Mammals from Trauma
October 18, 2011 — Can a bird have a heart attack? A new study suggests that cardiovascular disease may be an unfortunate consequence of mammalian evolution. The study demonstrates that the same features of blood ... > full story -
Oldest Fossil Rodents in South America Discovered; Find Is 10 Million Years Older and Confirms Animals from Africa
October 11, 2011 — An international team of researchers have found the oldest rodent fossils in South America. The find confirms the animals origin in Africa and contradicts the conclusion that they spread from south ... > full story
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