7 reasons why Arctic sea ice matters

The vanishing veneer of frozen ocean isn't just vital for polar bears.

Conservationists record a 'surreal' encounter with a rare forest rhino taking a mud bath

Only 68 critically endangered Javan rhinos are left on Earth.

Free bird: Thanksgiving turkey pardons

U.S. presidents haven't always pardoned their Thanksgiving turkeys, but in recent years the surreal ceremony has…

Surprising ways animals stock up for winter

From hoarding and scattering nuts to making jerky and taking prisoners, animals use some wild tactics…

11 startling stats about Earth's disappearing wildlife

Our planet has lost 60 percent of its vertebrate animals since 1970, but there still may…

Which U.S. volcanoes are most dangerous?

With more than 160 active volcanoes, the United States is at greater risk from eruptions than…

How biophilia can improve your life

Even subtle changes of scenery can have dramatic effects on our mental and physical health, a…

Bees go silent during a total solar eclipse

A new study reveals how bees reacted to the 2017 Great American Eclipse, with help from…

Obama's national monuments are a big deal

Obama designated more national monuments than any other president in U.S. history. Here are a few…

Does awe lift your spirits or stress you out?

Awe invigorates some people but makes others anxious, and a new study suggests your reaction may…