A NASA Black Brant IX sounding rocket soars skyward into an aurora over Alaska following a 5:13 a.m. EST, Feb. 22, 2017 launch from the Poker Flat Research Range in Alaska. The rocket carried an Ionospheric Structuring: In Situ and Groundbased Low Altitude StudieS (ISINGLASS) instrumented payload examining the structure of an aurora. via NASA http://ift.tt/2lp4hz6

A SpaceX Falcon 9 rocket lifts off from Launch Complex 39A at NASA's Kennedy Space Center in Florida. This is the company's 10th commercial resupply services mission to the International Space Station. Liftoff was at 9:39 a.m. EST from the historic launch site now operated by SpaceX under a property agreement with NASA. via NASA http://ift.tt/2kNCo03

NASA provider SpaceX's Falcon 9 rocket and Dragon spacecraft are vertical at Launch Complex 39A at NASA’s Kennedy Space Center in Florida. Liftoff of SpaceX's tenth Commercial Resupply Services cargo mission to the International Space Station is scheduled for 10:01 a.m. EST on Saturday, Feb. 18, 2017. via NASA http://ift.tt/2lr9OFB

Expedition 50 Flight Engineer Thomas Pesquet of the European Space Agency shared this photograph from the International Space Station on Feb. 14, 2017, writing, "Venice, city of gondoliers and the lovers they carry along the canals. Happy Valentine's Day!" via NASA http://ift.tt/2kti7fZ

Jeanette Scissum joined NASA’s Marshall Space Flight Center in 1964 after earning bachelor's and master's degrees in mathematics from Alabama A&M University. Scissum published a NASA report in 1967, “Survey of Solar Cycle Prediction Models,” which put forward techniques for improved forecasting of the sunspot cycle. via NASA http://ift.tt/2lofO2M

The Larsen Ice Shelf is situated along the northeastern coast of the Antarctic Peninsula, one of the fastest-warming places on the planet. In the past three decades, two large sections of the ice shelf (Larsen A and B) collapsed. A third section (Larsen C) seems like it may be on a similar trajectory, with a new iceberg poised to break away soon. via NASA http://ift.tt/2khVD2e