"Conditions deteriorated rapidly." Experts sound alarm after vulnerable species' mortality rate breaks previous record: 'A surge in orphaned pups' first appeared on The Cool Down.

The world's forests are changing silently, and scientists are warning about the loss of key tree species and lack of biodiversity.

The park’s iconic alpine goat population has decreased 45% since 2008, with climate variables being a big contributing factor ...

Only 0.1% of wild salmon eggs survive the lifecycle through alevin, fry, parr, smolt and kelts, and their 5,000-mile swim downstream, across the Atlantic, and back again to spawn where they were born ...

A record-breaking freeze this month sent Florida wildlife into shock. Some of those animals were native, some were invasive.

The animals chosen as Olympic mascots are stoats — creatures that are at risk because of climate change. Learn more about the color-changing critters.

We opened a window into our country’s biodiversity only to find there are so many more windows left to be opened.” ...

In an environment as vast and extreme as the world’s oceans, survival of the fittest takes on new meaning. That’s probably why cooperation is the name of the game for many of the more vulnerable ...

The dead right whale was a female. Scientists say they worry especially about deaths of females because the species is ...

Deep inside a limestone cave in Thailand, scientists discovered a new millipede species with spiky, dragon-like features.

There are a lot of ways darkness can transform your garden, most notably by increasing biodiversity. “Even within a season, you’re going to see significant new activity,” Phillips says. You may notice ...