Bernie Sanders: Here on Earth, in the richest country on the planet, half our people live paycheck to paycheck, people are struggling to feed themselves, struggling to see a doctor — but hey, the richest guys in the world are off in outer space! Yes. It's time to tax the billionaires.
NASA Mission Uncovers Hidden Meltwater Lakes Under Antarctica's Ice
Earth's Atmosphere Is Retaining Heat Twice as Fast as It Did Just 15 Years Ago