Society & Policy

Montana–based Sunburst Sensors will help scientists monitor rise in ocean acidity more widely and precisely

With a $100-million donation, billionaire Yuri Milner plans to revolutionize the astronomical quest to find alien life

The latest in ProPublica's “Killing the Colorado” series looks at how, despite decades of accepted science, California and Arizona still miscount their water supplies

Conservationists stress the need to address not just supply but also demand for wildlife products

Entrepreneur and former physicist Yuri Milner talks about the just-announced $100-million Breakthrough Listen Project to search for extraterrestrial technological civilizations

Marine life seems to create a reflective sunshade above the Southern Ocean

Criticism of witnesses’ inaction reflects a fundamental misunderstanding of the neuroscience of how the brain responds to sudden threats

Iran’s attempt to develop nuclear weapons will not be the last challenge faced in a journey that began with the world’s first fission bomb test during World War II

Researchers gathered data from various Army databases to analyze nearly 10,000 attempted suicides of active duty personnel. Cynthia Graber reports

The legislation’s demise highlights the rise of e-cigarette lobbying

Carbon dioxide cuts have already begun ahead of the Clean Power Plan

Early this morning, if all has gone well, the first golden age of interplanetary exploration will have come to a close