March 22, 2019, 2:27 p.m. by Bryan Nelson
Scientists say a massive volcanic event may be the cause.
Satellite reveals thousands of uncharted mountains in Earth's oceans
March 20, 2019, 3:34 p.m. by Michael d'Estries
As many as 10,000 new seamounts have been added to an updated map of Earth's undersea topography.
Geologists baffled by remote island that's covered in mysterious rocks
March 20, 2019, 3:13 p.m. by Bryan Nelson
There's no way these types of rocks could have formed there.
Animals don't recognize international borders, so why should parks?
March 15, 2019, 4:01 p.m. by Mary Jo DiLonardo
The push to make Big Bend an international park shared by the U.S. and Mexico has been around for 80 years.
California desert comes alive with wildflower 'superbloom'
March 15, 2019, 12:01 p.m. by Angela Nelson
Anza-Borrego Desert State Park in California is a sight to see.
Dr. Seuss may have modeled the Lorax after these real-life monkeys
March 1, 2019, 4:12 p.m. by Russell McLendon
The author wrote most of 'The Lorax' while visiting an ecosystem inhabited by orange, mustachioed monkeys.
Why this Ohio city just granted Lake Erie the same legal rights as humans
February 27, 2019, 4:59 p.m. by Matt Hickman
Ohio voters just passed Lake Erie Bill of Rights, and it could help to save the pollution-choked Great Lake.
Why the new U.S. public lands bill is such a big deal
February 27, 2019, 8:51 a.m. by Michael d'Estries
Here are a few highlights from legislation that's poised to boost wilderness protection across the country.