Some in Florida who lived through Katrina now are preparing for climate change-related disasters they fear could be more damaging than a hurricane.
Dr. Jørgen Peder Steffensen explained the goals of the North Greenland Eemian Ice Drilling project and what the ice cores can tell us about our climate history.
Doppler radar is a powerful tool for scientists to spot the formation and path of tornadoes.
We don't know what it will cost to build the next nuclear power plant in the U.S.
Greenhouse gas emissions from nuclear power are low by just about any measure.
Radioactive waste is an unavoidable by-product of nuclear power that requires safe storage.
Nuclear power results from radiation, which was discovered around 1900. It took several decades after that for scientists to understand how to harness its energy - for power and for weapons.