Arctic sea ice appears to have reached a record low wintertime maximum extent for the second year in a row, according to scientists at the NASA-supported National Snow and Ice Data Center...

2015 was Planet Earth's warmest year since modern record-keeping began in 1880, according to a new analysis by NASA’s Goddard Institute for Space Studies. Earth’s 2015 surface temperatures were the warmest since modern record...

Over the past few days, a bevy of climate data has come together to tell a familiar yet shocking story: Humans have profoundly altered the planet’s life-support system, with 2015. increasingly likely...