A voyaging canoe built to revive the centuries-old tradition of Hawaiian exploration is circumnavigating the globe. Its crew has already traveled 26,000 miles navigating with the sun, stars and waves.
The deep-sea researchers were surveying an ocean ridge near Hawaii. "Where did this guy come from? Holy cow!" said one researcher when he saw the huge sponge. They say it's the largest ever recorded.
But shareholders at Exxon Mobil approved one resolution that could make it easier to one day nominate an environmentalist to the board.
More than three years after Superstorm Sandy, NPR and PBS's Frontline investigate the thousands still not home, the government agencies that failed to help and the companies that made millions.
Rising sea levels put extra pressure on coastal bedrock in South Florida. Eventually, as seawater moves in, it could contaminate plants on the surface and the region's stores of freshwater beneath.
El Nino didn't deliver the monster rains many Californians were hoping for but it wasn't a total bust. The weather system raised ocean temperatures off the coast and led to some extremely high tides.
North Carolina's black bears have been making headlines in the Piedmont lately. But they're also getting attention around the country.