2014 was hottest year ever recorded, U.S. scientists say

Jan 17, 2015

2014 was hottest year ever recorded, U.S. scientists say

Last year was Earth’s hottest on record, two U.S. government agencies said Friday — new evidence that people are disrupting the climate by burning fossil fuels that release greenhouse gases. The White House said the studies, by the space agency NASA and the National ...

Jan 8, 2015

Mineral may lead to better, cheaper solar cells

Materials that may be cheaper and more efficient than silicon at converting the sun’s rays into electricity could be key to the next generation of solar power, scientists say. Though years away from being used to commercially produce solar cells, perovskites, named for a ...

Snowy owls becoming more common outside Arctic

Jan 8, 2015

Snowy owls becoming more common outside Arctic

The elusive snowy owl, rarely seen outside the Arctic, is turning up more frequently in the skies of North America than it does in the pages of a Harry Potter book, data from the National Audubon Society suggested on Wednesday. Sightings of the majestic ...