Extinction Countdown

Today marks World Giraffe Day, an occasion to recognize Africa’s rapidly disappearing giants.

At least 21 percent of plant species are threatened with extinction, but much remains to be discovered.

Eggs and hot sand do not mix.

One of Malaysia’s last three Sumatran rhinos was euthanized to relieve her suffering from untreatable cancer.

A conservation success story faces a new threat that could undo the heroic efforts of the past.