Northwestern University researchers have developed compact, mid-infrared laser diodes that generate more light than heat - a breakthroughs in quantum cascade laser efficiency.
(PhysOrg.com) -- Natural disasters like hurricanes, tornadoes and floods occur every year, but are they getting worse?
A new report by Duke University researchers offers several health and environmental measures for North Carolina lawmakers to consider as they debate legalizing horizontal drilling and hydraulic fracturing for natural gas.
The second largest fire in Arizona history, the Wallow Fire is graphically depicted by this Landsat image, taken June 7, which shows burning in the mountains of eastern Arizona near the border with New Mexico.
The toll from ever-more intense floods, drought, and heatwaves will crescendo this century unless humanity anticipates the onslaught, according to a UN report set to be unveiled on Friday.
Magma from a Chilean volcano shot through Earth's crust at around a metre (3.25 feet) per second, a speed highlighting the perils from so-called rhyolitic volcanoes, scientists reported on Wednesday.
Step away from the villages and idyllic beaches of Hawaii, and you may think you've been transported to the moon. Walking along the lava flows of the Kilauea volcano, the landscape changes from a lush tropical paradise to ...
Amid all the commentary focused on the historic tragedy in Haiti, a tough but important fact has gone virtually unmentioned, according to a nationally recognized expert on disasters at the University of Colorado at Boulder.
A huge slab of sea floor near the Great Barrier Reef is in the early stages of collapse and could generate a tsunami when it finally breaks off, researchers warned Friday.