A professor spends a season in hell.
Domesticated felines are one of the biggest threats to birds worldwide. Two pet owners think they’ve found a solution.
How scientists used nuclear explosions to date the longest-lived vertebrates in existence.
Three astrophysicists calculate that even huge asteroids and exploding stars probably wouldn’t wipe out all life.
It turns out that the Chinese giant salamander is actually five different species—and they’re all probably facing extinction.
The mass slaughter of whales destroyed far more than the creatures themselves.
The field frets about endangered polar bears and tigers. Why not also bacteria?
Your car may have just run over the last of an endangered species.