Researchers in Sweden recovered RNA from a 130-year-old Tasmanian tiger, allowing them to identify which genes were active in its tissues before extinction.

Scientists successfully extract RNA from a 130-year-old Tasmanian tiger, thylacine, revealing how its genes functioned before its extinction.

CLEARWATER, Fla. — Coast Guard officials located a missing boat and its four occupants Tuesday afternoon, about 24 hours after the boaters left dock. All were found alive and relatively safe. The four ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...