- Feb 13, 2011Scientists have made a major step forward in accurately determining the amount of energy that the Sun provides to Earth. Much of Earth's biosphere depends on the Sun's life-giving energy. Studying the links between the Sun and life on Earth is essential in understanding life's
- Aug 3, 2009Roughly 5 billion years from now, the Sun will begin to swell as a red giant. But life on Earth will feel the effects of an aging Sun long before then. What can we do to survive?
- Mar 18, 2004Last November solar observers witnessed the largest solar flare ever observed. This month, the orbiting solar observatory snapped a spectacular image of the Sun ejecting an eruptive prominence, a relatively cooler gas ejection that stretched more than fifty Earth diameters and moved at 45,000 miles