nasa
Astronaut, Nobel Prize winners in town to inspire young innovators
They'll speak to thousands of students and researchers.
Want to be different from your identical twin? Go to space
The study is a precursor to a three-year manned trip to Mars.
ATK lands $50M engineering contract from NASA
NASA has awarded Alliant Techsystems, formerly based in Minnesota, a $50 million contract, the Star Tribune reports. The global aerospace and defense company will help develop a lithium-ion battery-powered electric thrust vector control system; a high-performance propellant; a lightweight composite rocket motor case; and an advanced nozzle for NASA's Space Launch System program.