Good thing for us it’s small, because this predator gives no quarter to its quarry.
A device that renders objects truly invisible may be commonplace within the next few decades.
Toxic hairs enable some caterpillars to venture forth in conspicuous processions.
Nineteenth-century artist Benjamin Waterhouse Hawkins still influences how prehistoric life is represented today.
As human populations expand and lions’ prey dwindles, the poorest people—and hungriest lions—pay the price.
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.