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white moths on white sand

New, pale species and subspecies of moths blend into the white grains of gypsum sand.

Eric H. Metzler

New, pale species and subspecies of moths blend into the white grains of gypsum sand.

Eric H. Metzler

New, pale species and subspecies of moths blend into the white grains of gypsum sand.

Eric H. Metzler

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.