December 6, 2005Keep that sunscreen handy. The hole in the ozone layer will last 15 years longer than expected, scientists say.TAGS:chemical, atmosphere, scientist
December 17, 2004Bright streaks on the surface of Dione have long been believed to be ice, but they might be something else entirely.
Photos: Full moons over SaturnTAGS:Saturn, cloud, ice, atmosphere, moon, researcher, image, photograph
May 10, 2007Can stimulating plankton growth slow climate change? A crew from a company called Planktos is setting sail to find out. Image: Plankton bloomTAGS:carbon, ocean, crew, atmosphere, meter, method