Army Corps of Engineers clears way for Dakota Access Pipeline
February 7, 2017, 5:35 p.m. by Mary Jo DiLonardo
Final permit for oil pipeline granted following executive order from Trump.
Scientists finally explain mysterious 'fairy circles' found in Namibia
January 20, 2017, 7:02 a.m. by Bryan Nelson
Empty circular patches dot the Namibian desert, and until now scientists were at a loss to fully explain them.
Americans are quietly preserving 56 million acres of private land
December 20, 2016, 8:15 a.m. by Russell McLendon
U.S. landowners voluntarily protect more land (and water) than all national parks in the lower 48 states, a new census shows.
The Earth's mountains, rocks and water bodies are ancient. Do you know how old they are?
December 16, 2016, 12:43 p.m. by Angela Nelson
The Earth's mountains, rivers, animals and rocks have been around for millions or billions of years. Do you know which ones have been around the longest?
World's highest plants discovered 20,000 feet above sea level
December 2, 2016, 6:46 p.m. by Bryan Nelson
Vascular plants aren't supposed to be able to grow at such high altitudes.
Africa's tallest tree discovered towering on continent's highest mountain
November 27, 2016, 3:58 p.m. by Bryan Nelson
A giant has been hiding for decades within a remote Mount Kilimanjaro valley.
11 facts about North America's temperate rain forests
November 3, 2016, 7:12 a.m. by Jaymi Heimbuch
The Pacific Northwest is home to the only temperate rain forests on the continent. Dive into this unique habitat.