Retreating ice unveils mineral treasures

Comfort food is real, say scientists

Fifty years since it was first published, 'Silent Spring' is remembered as the book that started the environmental movement

Extraordinary photos of food shot with an electron microscope

NASA astronaut depicts the final frontier in suuuuper slow motion

Let American offshore power begin

The 'Airbnb for bikes' gets ready for national rollout

Yes, seriously

TED's internationally-focused flagship event announces its thought-provoking theme

New book vividly captures climate change in action