In order to understand the massive changes afoot in the warming polar regions, oceanographer Allison Fong is hunting for the ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

And they find one: a female green anaconda about 16 to 17 feet long, “pure muscle.” The Waorani secure the giant ...