New research reveals that UV radiation played an important part in previous mass extinction episodes. Scientists warn that due to continuous global warming, a similar episode could occur and affect life on Earth and cause mass destruction. Click the link above to learn more.
For those of you that follow the movement of Opportunity, one of NASA's Mars rovers studying the surface of the Red planet, you may have noticed that it has stopped to smell the roses or, in this case, rocks. The rover has taken a break from its other investigative activities to closely examine some oddly shaped rocks that have never before been seen on the surface.