A rare bird’s elaborate mating habits help a tropical tree disperse its seeds.
Elizabeth Blackburn's work on telomeres led to new research and discoveries
Vampire bats display adaptations to their diet
Scientists race to understand the reproductive biology of freshwater eels.
Are double-crested cormorants overrunning their niche—or recovering from centuries of suppression?
Contagious laughter, yawns, and moods offer insight into empathy’s origins.
For thirsty sea snakes, the ocean can be a desert.
Tigers and other “exotics” have become hefty commodities in the U.S.
Shared child care may be the secret of human evolutionary success.
A rediscovered painting celebrates Charles Darwin’s view of life.
Peaks protected fifty years ago by the Wilderness Act no longer keep mountain goats safe from human impact.
By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.
Preconceptions skew our view of the biggest killer in the developed world, atherosclerosis.