Arctic sea ice continues decline, hits 2nd-lowest level

(PhysOrg.com) -- Last month the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record. Satellite data from NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) at the ...

Airliners fly in face of cyber attack scares

Around the world, around the clock, circles of flickering screens keep aircraft apart in the air, ease them gently down to the ground and guide their precious human cargoes off the runway.

Less severe forest fires can reduce intensity of future blazes

Not all forest fires have devastating effects. Low- and moderate-severity forest wildfires can reduce the intensity of future conflagrations for as long as 20 years in certain climates, according to new research by the University ...

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