The year 2025 might be seen as one of backsliding when it comes to tackling the environmental crises that face our planet.

From giant stick bugs to rarely seen sea creatures, these animal videos fascinated us—and led to new scientific discoveries.

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 ...

You’ve heard of birds flying south to escape the winter, but do you know how chipmunks spend the colder months? Eastern chipmunks dig their burrows near decaying logs or stone piles, carving out a ...

Their unusual story began about a hundred years ago. Now, as they head to the high north, an ambitious new chapter is being written. East of the Mackenzie River, in the Canadian Arctic, a free-ranging ...

Jacksonville Jaguars head coach Liam Coen, left, and Denver Broncos head coach Sean Payton, right, shake hands after an NFL football game in Denver, Sunday, Dec. 21, 2025. (AP Photo/Jack Dempsey) Add ...