Extreme weather tough on transportation system

NASA scientists eyeing regional dust storm on Mars

Study: Distant dwarf planet has no atmosphere

Dark matter detector nearing activation in SD mine

New Zealand volcano erupts; dozens of hikers safe

UN says greenhouse gases at record high in 2011

Study: NJ beaches 30-40 feet narrower after storm

Even apes have 'midlife crises,' study finds

California sells out of first pollution permits

Violent dolphin deaths a mystery for scientists