What do you name the ancestor of almost all living mammals? Full story
A tiny, furry-tailed creature is the most complete picture yet as to what the ancestor of mice, elephants, lions, tigers, bears, whales, bats and humans once looked like, researchers say. Full story
Bats may have more in common with the fictional Batman than previously believed, since both successfully combine work with courting sexy potential mates — a lot of them. A new study reveals that bat echolocation calls, primarily used for orientation and foraging, also contain information about sex, Full story
Eleven of the mammals died in the incident and the rest will be released back into the wild. Msnbc.com's Al Stirrett reports.
Massive marine mammal delights onlookers in Mission Bay. Nicole Gonzales reports.
Keepers at the London Zoo are spending the next weeks counting every mammal, bird, reptile amphibian and invertebrate housed at the zoo. TODAY.com's Dara Brown reports.
Ancient bones of the large tusked mammal are uncovered at a Daytona Beach Fla., construction site. WESH's Claire Metz reports.
The small mammal, which is related to the rhinoceros, is an endangered species. TODAY.com's Dara Brown reports.
REFILE - CLARIFYING NAME OF PR OFFICER A preserved dolphin is seen as a tour guide teaches students about mammals at Ancol Smart House in Jakarta May 16, 2013. Ancol Smart House has about 20 animals preserved as means to educate visitors about their life in the wild. 15 million visitors visited th
REFILE - CLARIFYING NAME OF PR OFFICER A tour guide shows a preserved dolphin as she teaches students about mammals at Ancol Smart House in Jakarta May 16, 2013. Ancol Smart House has about 20 animals preserved as means to educate visitors about their life in the wild. 15 million visitors visited