Why did the Presidential Fitness Test end? The test used to be administered to students across the country but the practice ...

Thousands of tarantulas are coming to these five states as mating season sends them out in droves. Experts are warning people ...

By carving dams, the beavers restored Utah's dying rivers, all the while making soil fertile and reviving fish populations.

With his unique art style, Gomes has transformed empty yards into gorgeous fashion banners and unattended sidewalks into ...

This year, the garden showcased assorted varieties of lotuses and water lilies that started blooming in early spring.

Researchers have yielded surprising results from the longest experiment ever done, in the Amazon rainforest, after 24 years.

The Southern giant petrel had even grasped an emperor chick in its mouth, but when the savior arrived, it had to get back.

Nature is incomplete without the chirping of birds, but urbanization has taken a toll on bird populations in the U.S.

Designed from the same material as pearls are made of, this fish is much more flexible and stronger than other soft robots.

If the demand for avocados doesn't reduce by 2050, the monarch butterflies that overwinter in Mexico's forests will disappear.

The Amazon rainforest is facing a threat unlike any other, and this 37-second clip sums up all the deforestation that has happened.

Tucked in southcentral Alaska, this aggressive volcano might erupt anytime soon. Residents are urged to prepare themselves.