July 1, 2016, 11:31 a.m. by Sidney Stevens
Part cultural icon and part invasive nuisance, tumbleweeds have an intriguing and tangled history.
There's a huge helium deposit under Tanzania, and here's why you should care
June 30, 2016, 11:04 a.m. by Russell McLendon
Helium isn't just for floating balloons and funny voices.
Modern humans may have smoked 'hobbits' out of their caves and into extinction
June 29, 2016, 6:05 p.m. by Bryan Nelson
Fire discovery offers clues about the demise of a tiny species of human that once lived in Southeast Asia.
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.
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.
Bucharest's new urban nature park is a 450-acre twist of fate
June 23, 2016, 3:16 p.m. by Matt Hickman
Văcărești Nature Park shows what happens when dictators get the boot and Mother Nature takes center stage.
Internet helps find National Parks graffiti vandal
June 23, 2016, 7:54 a.m. by Starre Vartan
Social media sleuthing brought down a young criminal.