Land managers are increasingly interested in using lightning-ignited wildfires as a tool to restore forests and reduce fuel loads. But little is known about the effectiveness of managing wildfires to meet restoration goals.
Environment
Apr 24, 2020
0
4
Where does the water in the Grand Canyon come from?
Environment
Jan 24, 2020
0
102
A new study in the journal PLOS One says Glacier National Park's iconic mountain goats are in dire need of air conditioning.
Plants & Animals
Dec 11, 2019
0
8
The Little Colorado River cuts across the northeast corner of Arizona, emptying its waters into the much-larger Colorado River after a more than 330-mile journey.
Environment
Oct 8, 2019
1
21
U.S. national parks are full of natural sounds. In Rocky Mountain National Park, visitors might hear the bugle of elks. At Yellowstone National Park, wolves howl in the distance. Iconic sounds like these are often associated ...
Environment
Oct 2, 2019
0
13
Etched onto the steep walls of Arizona's 6,000-foot-deep, 277-mile-long Grand Canyon are clues that chronicle the sweeping changes the region has experienced during the past two billion years. The canyon's colorful layers ...
Earth Sciences
Sep 23, 2019
0
9
This Copernicus Sentinel-1 image takes us just south of the US border, to the region of Baja California in northwest Mexico. Its capital city, Mexicali, is visible top left of the image.
Environment
Sep 13, 2019
0
11
In the two years since the Grand Canyon approved a plan to reduce the number of bison roaming in the national park, the herd has only grown in size.
Ecology
Sep 2, 2019
0
12
The cracked, uneven, jumbled landscape seen in this image from ESA's Mars Express forms an intriguing type of terrain that cannot be found on Earth: chaotic terrain.
Space Exploration
Jun 27, 2019
3
0
Selfies, which have become a global sensation in the last decade or so, have remarkably killed five times more people than shark attacks.
Other
Jun 27, 2019
0
0
