Solar Flare (IMAGE) University of Colorado at Boulder Caption A new assessment of solar flares by a team led by CU-Boulder indicates some are more powerful and last longer than scientists had previously thought, findings that have implications for mitigating damage by solar storms to navigation and communication systems on Earth. Credit Image courtesy NASA/SDO/AIA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.