All-female species have been long thought of as evolutionary dead ends – but one fish has defied the odds to live without ...

From jaguars and ocelots to anteaters and capybara, most land-based mammals living in the Brazilian Amazon are threatened by climate change and the projected savannization of the region. That’s ...

This video shows a colorful tropical bird resting on a tree branch while holding a small insect in its beak deep within the ...

Add Yahoo as a preferred source to see more of our stories on Google. Thousands of fish species — about 2,500 of them named — call the Amazon River home, but scientists estimate nearly half of the ...