CASCADE, Mich. — Looking for a fun activity to do at home with your kids? This science experiment is fun for all ages and teaches how oxygen and carbon dioxide have different densities! Meteorologist ...

In this atomic-scale illustration, trace amounts of oxygen (red) just beneath a copper (blue) surface, play a key role in driving a catalytic reaction in which carbon dioxide (black and red molecules) ...

Scientists have been using powerful computer models combined with laboratory experiments to study how a kind of clay can soak up carbon dioxide and store it. The atmospheric level of carbon dioxide -- ...