As human populations expand and lions’ prey dwindles, the poorest people—and hungriest lions—pay the price.
An Internet guide to tracking and tagging the animal world
Even at an early evolutionary stage, bird-like dinosaurs occupied different niches in the same ecosystem,
Dung beetles use light from the MIlky Way to find their way
Recently identified subspecies ranges farther than first imagined: across Africa.
An archaeologist ponders the fate of Hoover Dam