Scientists examined around 23,500 species of dragonflies, fish, crabs and other animals that depend exclusively on freshwater ...

Vast forests, desert land and even a volcano are among the landscapes included in what's now the largest corridor of ...

Likewise, there are no fossils for complex land animals or plants before the Cambrian era (541 to 485 million years ago) despite the evidence of much older microfossils. “The only existing explanation ...

If you like the smell of spring roses, the sounds of summer birdsong, and the colors of fall foliage, you have the stabilization of the ozone layer to thank for it. Located in the stratosphere, where ...