ScienceFighter jet snaps shot of hell on earth above California wildfires A NASA satellite picked up a rare photo of a pyrocumulonimbus cloud, or fire cloud, in early August over a severe forest fire along the California-Oregon border. It also snapped one of an even larger cloud in Canada's Northern Territories.by Rebecca Kaplan
ScienceCargo ships paid to slow down to protect whales, lower pollution off California coastby Anu Passary
ScienceVenezuela finds its first dinosaur: Fox-sized fossil is 200 million years oldby Rebecca Kaplan