The 41-year-old female known as Nola saw her health take a quick turn for the worse.
As human civilization drives more animals to extinction, extreme sizes will likely become the new norm.
We have the whole dinosaur extinction thing figured out, right? A big rock smashed into Earth and wiped them all out. But an NYU geophysicist wonders what sent the rock Earth's way in the first place and pins the deadly event on a novel culprit.
Widespread poisoning and targeting by poachers are decimating their numbers.
A new analysis of population data causes alarm for conservationists looking across the next 20 years.
Cactus plants, with their needles and ability to withstand droughts, seem hearty, but many are threatened with extinction.
The asteroid and volcanoes that did in the dinos was no match for a family of super tough beaver-like mammals.
The deep-sea dweller, long thought extinct, has a vestigial lung lurking in its abdomen.
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