In the shadows of Python Cave, Uganda, a leopard leaps from a guano mound—formed by bat excrement—and sinks its teeth into a ...

Dengue is spreading in parts of the U.S. like California, Texas and Florida. Climate change and limited vaccine access raise ...

What to know: Dengue is spread by Aedes mosquito bites. Most cases are mild, but severe symptoms like bleeding from the nose ...

DHAKA: Photographs of a leopard snapped by camera traps in forests in Bangladesh's Chittagong Hill Tracts have raised hopes ...

Mosquito control officials discovered a lone adult Aedes aegypti — known as “the yellow fever mosquito” — for the first time in Saginaw County.” Considered an invasive mosquito to North America, the ...