NASA launches communication satellite

Ten years since loss of space shuttle Columbia

Columbia's 7 astronauts were close, diverse crew

Genetics may explain severe flu in Chinese people

2 science projects win up to $1.3 billion each

Mixed decision in phony Scrolls email appeal

Study: Distant rural areas may feel cities' heat

Japan launches 2 intelligence satellites

NASA testing vintage engine from Apollo 11 rocket

Buoyed by Obama, leaders press for climate action