In the Kurdish mountains, conservationists are facing landmines and cultural taboos to save the endangered cat.
A journey to the deep seafloor offers clues to how life flourished on Earth—and how it might evolve elsewhere in the universe.
Nonhuman species are facing a loss of connectivity that threatens their daily and seasonal movements.
Secret growers are taking advantage of the state’s remote stretches of public land—and the environmental impact is severe.
As millions of California’s trees die, what will become of the largest tree there is, the giant sequoia?