A female western gray whale swam from Russia to Mexico and back again.
Fifteen species are on the brink of extinction, and could die out during our lifetimes, finds new research.
Changing temperatures triggering movement of vast movements of fish is behind the high number of sea lion strandings off the coast of California.
Two sub-tropical bats found in caves in Israel challenge key assumptions about hibernation.
A competition inspired by the NCAA basketball tournament lets you pit one mammal over another.
An ancestral study of the hippo reveals that a wide variety of animals share distant relations with the mammal.
Our earliest animal ancestors were a tiny but tough group, reveals newly discovered remains of the world's first tree-dwelling and subterranean mammal ancestors. Continue reading →
A scrappy, furry plant-lover named Luck coexisted with dinosaurs and provides important new insights into the evolution of Earth's earliest mammals.
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