This photo provided by NOAA Corps shows the deploying an Argo float to capture ocean temperature data. (NOAA Corps, Lt. Elizabeth Crapo via AP) At a Glance A new study finds that the world's oceans are storing 13 percent more heat than previously thought.Since 1990, significant amounts ofheathave begun to seep deeper into the ocean layers, the researchers found. The oceans are storing 13 percent more heat than previously thought, a new study says, which may helpexplain an increase in...

Global atmospheric ammonia trends measured from space from 2002 to 2016. Hot colors represent increases from a combination of increased fertilizer application, reduced scavenging by acid aerosols and climate warming. Cool colors show decreases due to reduced agricultural burning or fewer wildfires. (Juying Warner/GRL) Ammonia hot spotsareincreasing in the Earth's atmosphere above regions withhigh agricultural productivity, according to a new study. Using data from NASA satellites to track concentrations of ammonia in Earth's atmosphere from 2002 to 2016, scientists with...

A bleached staghorn coral sits on the Great Barrier Reef in March 2017. (Arc Centre of Excellence for Coral Reef Studies/Bette Willis) At a Glance A massive bleaching event in 2016 has already killed large sections of the Great Barrier Reef.Stress from the bleaching is causing the reef's resilience to wane.A fourth bleaching event is under way, which may kill off corals that are still recovering. Large portions of Australia'sGreat Barrier Reef have died because of another year of coral...