Rosetta Mission Comes to An End
Rosetta, the first spacecraft to orbit a comet, is dead, setting down Friday on Comet 67P/Churyumov-Gerasimenko. Radio signals from Rosetta flatlined at 7:19 am after it did a soft belly-flop.
How Good Is the F-35 Helmet?
The F-35 helmet is a marvel, expensive, and still not everything a pilot might wish for.
