Why Do We Care So Much About El Niño?
Sea surface height map
July 24th, 2014
The obsessive attention to the state of the latest El Niño comes from the major global impacts it can have.
Read More »
Colorado River Groundwater Disappearing at 'Shocking' Rate
Lake Mead
July 24th, 2014
The Southwest's underground water supplies are shrinking faster than they're being replenished.
Read More »
Washington State's Sprawling Wildfire Captured By Drone Cam
Washington State's Carlton Complex Fire
July 24th, 2014
The sky is thick with smoke in central Washington, as the state's largest wildfire in recorded history leaves a charred trail of burned homes and blackened trees.
Read More »
'Whistling' Volcanic Lightning Heard Halfway Around the World
Mount Redoubt lightning
July 24th, 2014
Eerie radio signals called whistlers have been detected from volcanic lightning for the first time.
Read More »
Trees: Unlikely Culprits in Ozone Pollution
A map of the globe reveals formaldehyde gas in the atmosphere from fires and forest hydrocarbon emissions in September 2013.
July 23rd, 2014
People aren't the only polluters — trees emit harmful compounds, too, as a recent map reveals. However, tree emissions would not be harmful were it not for the human emissions that react with these compounds, causing ozone pollution.
Read More »
Underwater 'Aquanaut' Mission Simulates Life in Space
A photo of two aquanauts during a simulated spacewalk.
July 24th, 2014
Four astronauts are currently living in a school-bus-size habitat that is anchored 62 feet (19 meters) underwater for a nine-day mission to test tech for future space expeditions.
Read More »
Happy Birthday, Landsat: Space Science Project Turns 42
A series of images of Lake Chad in Africa acquired on (from left to right): Dec. 8, 1972 (Landsat 1), Dec. 14, 1987 (Landsat 4), and Dec. 18, 2002 (Landsat 7).
July 23rd, 2014
Today marks the 42nd anniversary of the Landsat program, which provides the longest continuous record ever of observations of Earth's landmasses. Landsat 1 launched on July 23, 1972.
Read More »