John Glenn, the First American to Orbit Earth and Space Age Legend, Dies at 95
The Education of Adrian Ballinger: "I Was Meant to Be a Doctor. That Was the Plan."
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Buzz Aldrin Recovering From Altitude Sickness After Traveling to South Pole
Two Veterans Explain Why They’re Joining The Ranks At Standing Rock
Follow Philippe Cousteau on an Underwater Treasure Hunt
Wildfire Shuts Down Great Smoky Mountain National Park
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Billionaire Environmentalist Tom Steyer to Trump: "We’re Doubling Down."
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Plight of the Polar Bear: "The Entire Ecosystem Is Failing in Front of Our Eyes"
Planetary Politics: What Trump Could do to the Environment
How Garrett McNamara Recovered From the Wipeout of a Lifetime
Who Will Lead Trump's Department of the Interior? The Current Picks
Who Will Lead Trump's Environmental Protection Agency? The Current Picks
Trump Versus the Planet: The Transition Team's Environmental Agenda
8 Kick-Ass Non-Profits That Serve Our Veterans
Don’t Just Stare at It: Diving Into the Abyss with Philippe Cousteau
A Climber's Cure for Addiction
The Lone Survivor of Arizona's Native 5 Helicopter Crash Tells His Story