Women to move up the ranks at DOD.
PEPFAR turns 10.
USAF welcomes first female chief scientist.
Tangherlini takes the stand.
Fifteen semifinalists selected in DARPA Spectrum Challenge.
Lough Erne declared.
New tools to help the hungry and malnourished.
NASA announces Asteroid Grand Challenge.
Lunar Reconnaissance Orbiter turns 4:
NASA Google Plus Hangout discusses newest space explorers: