The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

Quick Take Sudan, the last male northern white rhino, died, underscoring extinction and the emotional toll on caretakers.

Researchers in Sweden recovered RNA from a 130-year-old Tasmanian tiger, allowing them to identify which genes were active in its tissues before extinction.

The world still holds its secrets. Hidden under wet rocks, in the ocean’s twilight crevices, and in the minutiae of the ...

As a critically endangered species, the manumea could be considered mostly dead, but there’s a big difference between that ...

Following the species' comeback, new pressures are converging on their wintering habitat along the Texas coast.