Tahlequah previously carried another dead newborn for 17 days in 2018. Here's what she's taught us about how orcas deal with ...
Once found in tropical oceans around the world, the largetooth sawfish’s range has shrunk by an estimated 60 percent in a ...
Scientists are racing to save sea stars from extinction through breeding. Here's what they're learning about the different species—from arm-wrestling bat stars to bloodless blood stars.
This story appears in the June 2018 issue of National Geographic ... of the roughly 350 species qualify for protection under the Convention on International Trade in Endangered Species, or CITES.