Europe's Space Agency Wants People to Live Inside Moon Caves

The agency wants input on how to send robots to the Moon to explore the virtually unseen caves, which could one day shelter humans.


Watch a Giant Gator Named 'Chubbs' Scare and Entice Golfers In Florida

Chubbs and colossal, slow-rolling gators like him are beneficiaries of 45 years of alligator conservation.


We Talked to the Guy Who's LARPing 'The Martian' in His Backyard

How Jeff Raymond is developing sustainable agriculture for communities on Earth and the Red Planet.


Inside NASA’s Space Farming Labs

If astronauts are going to make it on long duration space missions, they’re going to need some veggies.


This 80s MMO Needs Your Help to Stay Alive

'Habitat' needs your Java skills.


NASA Wants You to Design and Build a 3D-Printable Mars Habitat

Be the architect behind the first houses on the Martian block.


Two-Thirds of Wild Animal Populations Could Be in Decline by 2020

A new WWF report looks at land, ocean, and freshwater species around the world.


Meet the Submarine Inventor Who Wants Everyone to Live Under the Sea

Deep-ocean explorer Phil Nuytten is designing an underwater base.


The Rewilding

Fewer people live in Nebraska these days than on Mars. In an electrified compound, the last ranchers on the Great Plains fight to stave off predators—lions, cheetahs, hyenas—imported by the wealthy.


Researchers Are Putting Little Backpacks on Owls for a Good Reason

They hope the data helps in future conservation efforts.


An Australian is Going to Die on Mars to Prove a Point About Sustainability

Dianne McGrath will go all the way to Mars to convince you to take food waste more seriously.


Extinct Passenger Pigeons Are Making a Comeback

The taxidermied remains of Martha, the last passenger pigeon, are Smithsonian-bound. But that's not the species' only comeback.