For the first time, a new experiment from the University of Cambridge has shown how sand dunes "communicate" and interact with each other as they move.
A Harris Poll survey - conducted online in December on behalf of the American Psychological Association - reports that more than half of U.S. adults (56%) cite climate change as the most important issue facing the world today.
Scientists have identified ancient mosses in, on and around the 5,300-year-old glacier mummy that add to the story of the final 48 hours before his murder.
A new study sent robotic kayaks to survey the water in front of Alaska's LeConte Glacier - an area too dangerous for ships - to analyze how much glacial ice is melting into the ocean.
Space researchers and amateur photographers in Finland have categorized a new type of aurora, or northern lights. They call them “dunes.” Read more and see a video.