Mars-Bound Astronauts Could Face Higher Risk of Cancer

Astronauts who travel to Mars one day could be exposed to dangerous levels of radiation during their trip, even if shielding techniques are used, a new study shows. When the Mars Science Laboratory launched on Nov. 26, 2011, it began a 350-million-mile (560 million kilometers) trip to the surface of the Red Planet. During its […]

Space Program Should Aim for Mars, Says New Report

Expedition 35 Flight Engineer Chris Cassidy completed a five and a half hour spacewalk on May 11, 2013 to inspect and replace a pump controller box on the International Space Station, which was leaking ammonia coolant. Image: NASA Goddard Space Flight Center After weighing the costs and dangers of human spaceflight against concerns such as […]

White House Climate Change Data Portal Highlights Local Impacts

This Feb. 22, 2013 file photo shows two heavily damaged homes on the beach in Mantoloking, N.J., from Superstorm Sandy. Sea level rise worsened the flooding from this storm.Image: Mel Evans/Associated Press The Obama administration is teaming up with tech companies such as Google, Microsoft and Intel to roll out web-based tools for policy makers […]