Earth’s vertebrate diversity may be far richer than anyone realized. A sweeping analysis of more than 300 studies suggests that for every known fish, bird, reptile, amphibian, or mammal species, there ...

Mosquitoes transmit several pathogens of public health importance, including malaria, dengue, chikungunya and Zika. These ...

Millions of birds invisibly migrate through the night sky each autumn, most flying in near silence toward their wintering ...