Scientists have spent decades studying rhesus macaques on the remote Monkey Island. They're learning how the stress of environmental crises, like hurricanes, impact the monkeys.

So the team was able to compare blood from 435 rhesus macaques drawn before the hurricane with blood taken from 108 animals one year afterward.

A rhesus monkey bearing a mark on its face sits along the edge of a forest on Morgan Island on Feb. 2. The island has been used for decades to breed monkeys for federal government research ...

Monkeys snatching blood samples from a Covid-19 facility in India became a viral story this week.