A new computer model study shows that a two-pronged approach to stabilizing climate, with cuts in greenhouse gas emissions as well as injections of climate-cooling sulfates into the stratosphere, ...

The Earth was apparently losing water. Ruby Leung, a scientist from the Department of Energy's (DOE) Pacific Northwest National Laboratory (PNNL), and her team were baffled by their results. "We were ...

Iron-rich spherules like the ones shown here can contain chemical clues about the composition of the early Earth’s atmosphere. (UW Photo / Don Brownlee) Today, rising carbon dioxide in the atmosphere ...