Irrigation is more than just throwing water on a field—it can be a nuanced chemical conversation between humans and plants
One of the driest countries on earth now makes more freshwater than it needs
Dragon Hole, or Longdong, is reportedly more than 300 meters deep. If confirmed, that would be far deeper than the previous record holder, Dean's Blue Hole in the Bahamas
A volatile arrangement of tectonic plates millions of years ago gave us the Pacific
Presidential candidates begin to make clear their stark differences on climate change, energy production and stem cell research
The battle grows over whether Exxon misled the public about climate change
A costume helps conservation biologist Joel Bergen study how polar bears might affect musk oxen in the Arctic.