They’re called moonbows, y’all.
Death Valley National Park’s Racetrack Playa is famous for a decades-old phenomenon.
Is there a worm? Can I eat it?
She shattered her own 2013 milestone by upwards of 100 miles—an achievement that's now Guinness official.
Many ecosystems are still at the brink.
The desert used to be green and lush.
Trees that have survived for millennia could perish by century’s end.
To green or not to green?
Experts weigh in on a prickly predicament.
Scientists seek to reduce wind energy's impact upon predators
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.