We know chameleons can change colors, but now they've revealed another cool ability.
What do all those food seals mean?
January 23, 2018, 8:45 a.m. by Robin Shreeves
Research shows that many people purchase food with a sustainable seal without understanding what the seal means.
Subscribe to our newsletter
How the government shutdown is affecting the national parks
January 22, 2018, 11:55 a.m. by Jenn Savedge
Things are very different than they were in 2013.
This startup wants to pay you for saving electricity
January 22, 2018, 9:54 a.m. by Matt Hickman
In California, it's easy being green, especially when you're also earning it.
'What Were You Thinking?' answers the questions every parent wants to know
January 20, 2018, 4:44 p.m. by Jenn Savedge
'What Were You Thinking?' showcases real stories of life-altering choices.
Remember that kid who invented a way to clean up ocean plastic? He's back, and it's happening
One woman met a stray dog — and changed everything for a forgotten breed
9 of the world's largest dog breeds
Parallel worlds exist and interact with our world, say physicists
Eye-popping Icelandic crosswalk brings traffic to a crawl
This subterranean city carved out of salt in Poland will astonish you