All five passengers a board a small plane died after the aircraft crashed on railroad tracks in the southern region of the state of Alaska, local authorities said Friday.
NASA on Wednesday said it is eying deep space exploration and will begin with a mission in 2016 that will take samples from a distant asteroid back to Earth.
Ash clouds coming from an active volcano in Russia's far east has forced authorities there to reroute a number of international flights, officials said on Tuesday. No flights have so far been canceled.
German Chancellor Angela Merkel's flight was delayed by several hours early Tuesday morning after the Iranian government decided at the last moment to deny permission for the aircraft to fly through its airspace, reports said.
Watch live video of Space Shuttle Atlantis being rolled out of the Vehicle Assembly Building for the last time and Space Shuttle Endeavour landing in the wee hours.