Male lion in Bouba Ndjida National Park, Cameroon, is one of a dwindling number of the big cats in West and Central Africa, where humans are encroaching on their habitat—and that of their prey.
Striations in teeth reveal the pace of life.
A major coffee pest relies on bacteria in its gut to metabolize caffeine.
The offspring of coral exposed to harsh conditions may be better prepared to deal with climate change.
How honey bees pass on immunity to their young.