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 ...

Walking more is associated with reduced risk for dementia, diabetes, heart disease, and more—but a new study says you can get fewer than 10,000 steps a day and still see all those benefits. An ...

In Dissent is a recurring series by Anastasia Boden on Supreme Court dissents that have shaped (or reshaped) our country. On ...

Stepping into Yellowstone National Park feels like entering a different world, one where wildlife rules the landscape and ...