Aurora Australis Warms Up the Antarctic Sky

Photos of the Aurora Borealis, the Northern Lights, have become a common enough sight, but a less frequently seen phenomenon is their Southern cousin, the Aurora Australis, which create a spectacular light show over the Antarctic desert. » 8/18/09 2:40pm 8/18/09 2:40pm

Ultracold Polar Telescope Searches for Dark Energy

Is an invisible, undetectable force tearing the universe apart? The South Pole Telescope is scanning the skies for signs of dark energy to help pinpoint the cause of cosmic expansion. The answers it provides could allow us to better explain the origin of the universe and its ultimate fate. » 4/04/08 2:30pm 4/04/08 2:30pm