A panoramic photo of Potato Harbor, an oblong cove on the western side of Santa Cruz Island, California in National Park Service land, viewed from the cliffs above. Channel Islands National Park. Deep ...

An experiment spanning more than two decades has found that removal of apex predators from an ecosystem can create lasting changes that are not reversed after they return -- at least, not for a very ...

Where hidden water tables meet the Earth’s surface, life can thrive even in the driest locations. Offering refuge during times of drought, shallow groundwater aquifers act like water savings accounts ...