The baby cub has been raised in human care after his two siblings died.
A heatwave in Australia kills thousands of bats as Queensland feels record temperatures.
Nearly 180 species of fish that glow have been identified in a new study led by the American Museum of Natural History.
A bird known for its gender-bending ways has yet again surprised researchers by breaking Europe's bird migration record.
Without dramatic conservation efforts, three of the four West African lion populations could become extinct in the next five years.
Some of the largest beasts in the ancient seas had black skin or scales, new research finds.