Climate
- 			 Earth EarthSpy satellites reveal early start to Antarctic ice shelf collapseDeclassified spy satellite images reveal that Antarctica’s Larsen B ice shelf began destabilizing decades earlier than previously thought. 
- 			 Climate ClimateReaders share climate change concernsReaders respond to the April 16, 2016, issue of Science News with thoughts on climate change, prairie dogs and more. 
- 			 Climate ClimateU.S. weather has gotten more pleasant, but will soon worsenWarmer winters have made U.S. weather more pleasant since 1974 thanks to climate change, but that will soon change. 
- 			 Climate ClimateClimate probably stopped Mongols cold in HungaryMongol cavalry was no match for cold, wet climate in medieval Hungary, researchers think. 
- 			 Climate ClimateClimate-cooling aerosols can form from tree vaporsClimate-cooling, cloud-seeding aerosols can form in the atmosphere without the sulfuric acid spewed from fossil fuel burning, new research suggests. 
- 			 Animals AnimalsAntibiotics in cattle leave their mark in dungTreating cattle with antibiotics may have side effects for dung beetles, microbes and greenhouse gases. 
- 			 Astronomy AstronomyYoung sun’s super solar flares helped set early Earth up for lifeSuper solar flares may have provided early Earth with planet-warming and life-building molecules. 
- 			 Climate ClimateZapping clouds with lasers could tweak planet’s temperatureBreaking up the ice particles inside cirrus clouds could make them reflect more light, turning them into a tool to combat global warming. 
- 			 Oceans OceansThe Arctic Ocean is about to get spicierVariations in the saltiness and temperature of seawater of the same density, called spiciness, could increase as the Arctic Ocean warms. 
- 			 Health & Medicine Health & MedicineZika, psychobiotics and more in reader feedbackReaders respond to the April 2, 2016, issue of Science News with thoughts on Zika virus, planetary science, microbes in mental health and more. 
- 			 Environment EnvironmentU.S. oil and gas boom behind rising ethane levelsOil and gas operations on North Dakota’s Bakken shale are largely to blame for a recent rise in global emissions of the greenhouse gas ethane, researchers conclude. 
- 			 Earth EarthRainwater can help trigger earthquakesRainwater plays a major role in the triggering of earthquakes along New Zealand’s Alpine Fault.