Everyone knows dinosaurs got really big. Some of the long-necked plant-eaters were the largest land animals ever on Earth, as ...

Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study ...

Two complementary Northwestern University studies found that mice can perform a single intentional sniff, while humans use brain rhythms that closely resemble those seen in rapidly sniffing rodents.

Evolution is all about trade-offs. Traits that may be beneficial in one situation may backfire in another. Over millions of ...

Just under 300,000 years from the moment Homo sapiens appeared in Africa, the species had encircled Earth, mastering desolate deserts and frozen wastelands and all the temperate climes in between.

Artist’s impression of the Prince Creek Formation in northern Alaska during the Late Cretaceous period, with small mammal highlighted. James Havens, CC BY-NC-SA A fossil mammal tooth smaller than a ...

Tom has a master’s degree in biochemistry from the University of Oxford and his interests range from immunology and microscopy to the philosophy of science.View full profile Tom has a master’s degree ...

The surprising story of mammal evolution begins long before the age of dinosaurs. Witness how some of our prehistoric mammal relatives survived global catastrophes, defying extinction and evolving ...

One of the most important steps in the evolution of modern mammals was the development of highly sensitive hearing. The middle ear of mammals, with an eardrum and several small bones, allows us to ...

ACTION NEWS 8 REPORTER JOYCE KIM THE WORLD'S LARGEST MARINE MAMMAL HOSPITAL JUST OPENED A NEW HOME BASE IN MONTEREY COUNTY. THE MARINE MAMMAL CENTER CUT THE RIBBON ON A BRAND NEW FOUR- THOUSAND SQUARE ...

Add Yahoo as a preferred source to see more of our stories on Google. STORY: Scientists from the University of Chile say they have unveiled findings of a mouse-sized mammal that roamed Earth 74 ...