Nightcap

Two boys on opposite sides of the Iron Curtain joined forces to build an eco-corridor that runs through the heart of Europe.

Leaders of the U.S. Armed Forces are trying to combat rising seas and extreme weather—and avoid skirmishes with deniers in Congress.

Studies show many Pacific reef islands are actually growing as sea levels rise.

Forget our obsession with being noticed. A glimpse at the natural world reveals that there’s a lot to be said for passing unnoticed.

The U.S-Mexico border fence isn’t just halting human movement—it’s blocking wildlife from their historical ranges.

Rabies shots and guano-filled lungs were among the hardships filmmakers endured when making a documentary about an endangered bat.

Our past attempts to control nature are coming back to bite us—in the form of nasty invasive species. Can we reverse-engineer the damage?

Scientists get a glimpse into the atmosphere of yore by taking ice cores from the earth's poles.

For the first time ever, orphaned Amur tigers are being rehabilitated and released back into the wild in an effort to bolster the dwindling population.

Is this former reality TV star the next Cousteau or a corporate-sponsored hype machine?