Finally the weather lifted, and Operation IceBridge made a series of flights over the Antarctic Peninsula and a crucially important flight over the South Pole.
Scherzer's team has made a potential breakthrough in understanding Parkinson’s disease. And it is one that could help with treatment.
Subscribe here for our newsletter
Dr. Claire Broome chaired a committee for the U.S. Institute of Medicine, which looked at the National Vaccine Plan and ways to improve it for vaccine safety.
Visit the NASA image gallery of Comet Hartley 2. This small comet - which was visible in our skies earlier this fall - spewed lots of dust, spinning jets and gas.