Science is helping Oklahoma City to sustain the DNA of a tree symbolizing hope 24 years after the deadliest act of domestic terrorism on U.S. soil...

Wildlife officials say a young bobcat captured and collared a day before a massive, deadly wildfire has given birth to four kittens...

A new study has found that more than a dozen wild bee species critical to pollinating fruits and vegetables across New England are on the decline...

Scientists say a genetic test can identify newborns at heightened risk of becoming severely obese by middle age, possibly giving time for interventions designed to head off that fate...

A new study uses Google searches to assess how interested Americans are in 621 bird species...

After shifts in ocean conditions, researchers are wondering if ecosystems near the Bering Strait are undergoing a transformation as well...

Unique study of twin astronauts is helping scientists uncover how the body responds to long space travel...

If next week's Boston Marathon inspires you to run one, doctors recommend you get a checkup first...

Scientists are using fake eggs to spy on whooping cranes in hopes of learning why some chicks die in the egg, while others hatch...

There are more Mexican gray wolves roaming the American Southwest now than at any time since federal biologists began reintroducing the predators more than two decades ago...