Scientists reveal a never-before-seen species of leopard-size apex predator that lived in lush forest 30 million years ago.

As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Scientists say how long the cold-blooded sea creatures will be able to survive in a warming world remains ‘unclear’ ...

A.I. tools from Microsoft and other companies are helping write code, placing software engineers at the forefront of the ...

The species was previously declared functionally extinct after the death of the last male, Sudan, in 2018. Read more at ...