Camouflage takes many forms in the natural world. Some animals are born with skin or coats that blend in naturally with their environment. Some Old World lizards like the chameleon have an almost ...

The team collected over 130 of these Ecuadorian tree frogs by combing museum archives, searching the rainforest and raising some eggs in captivity, the study said. A pattern began to emerge.

The team collected over 130 of these Ecuadorian tree frogs by combing museum archives, searching the rainforest and raising some eggs in captivity, the study said. A pattern began to emerge. The frogs ...

US Congress nowhere close to deal to avert shutdown ahead of March 14 deadline With less than two weeks to go before a March 14 deadline, Republicans and Democrats in the U.S. Congress appear to ...