New Technique to Search for Life, Whether or not it’s Similar to Earth Life

By combining the thousands of shots I captured during the recent eclipse, I was able to create an accurate simulation of what happened as the moon passed through Earth's shadow in space. [OC]

Science Made Simple: Earth’s Upper Atmosphere

When the bison come back, will the ecosystem follow? - Bring wild bison to the Great Plains, restore one of the world’s most endangered ecosystems.