The Air Force plans a key test of an experimental aircraft designed to fly at six times the speed of sound, or about 3,600 mph.
After a spectacular landing on Mars, the rover Curiosity wasted no time embracing its inner shutterbug, delighting scientists with vistas of Gale Crater complete with sand dunes, mountain views and even haze.
The mysterious Mars photo has been solved.
A test model planetary lander crashed and burned at Kennedy Space Center just seconds after liftoff.
The crater looks strikingly similar to the Mojave Desert in California with its looming mountains and hanging haze.
A newly discovered water source in Namibia could have a major impact on development in the driest country in sub-Saharan Africa.
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