Extinction

6 things to know about Earth's 6th mass extinction

Signs of blood cells found inside dinosaur fossils

Why are saiga antelope dying in record numbers?

Guarding the last male northern white rhino on Earth

Ocean of acid blamed for Earth's 'great dying'

World's cutest endangered animal photographed for first time in over 2 decades

Will N.C. remove world's last wild red wolf population?

Did dark matter cause many of Earth's mass extinctions?

Extinct mega-rodent had teeth like elephant tusks

15 endangered animals to watch in 2015

A glorious musical memorial for Lonesome George

Earth's tiniest porpoise could be extinct in 3 years

SPONSORED