California's 66 million dead trees pose an extreme wildfire risk
June 27, 2016, 9:29 a.m. by Jaymi Heimbuch
A record number of dead trees in the southern Sierra Nevada has the Forest Service on alert.
This beautiful equation might be one of the keys to understanding nature
June 25, 2016, 2:10 a.m. by Bryan Nelson
Laplace's equation can be found everywhere, from electromagnetism to fluid dynamics to gravity.
Route 66 is getting a patch of solar power-generating pavement
June 24, 2016, 11:16 a.m. by Matt Hickman
Kitschy nostalgia and clean-tech collide along America's Mother Road.
How well do you know the special senses of animals?
June 24, 2016, 10:52 a.m. by Noel Kirkpatrick
Animals use their senses to detect other animals, communicate and do some wild things. Can you identify the super senses of these animals?
Researchers discover 'bright spots' where coral reefs are thriving
June 24, 2016, 8 a.m. by Jaymi Heimbuch
A recent study highlights 15 places where reefs are doing better than scientists predicted in ecological models.
Why we should be fighting for the 'Galapagos of North America'
June 24, 2016, 6:10 a.m. by Catie Leary
The Klamath-Siskiyou ecoregion is one of the world's last and most diverse ancient coniferous forests, yet it remains woefully underprotected.