Endeavour's last trip was one of its strangest.
The astronaut's month-long stay on the ocean floor made his Mercury flight look like a Sunday drive
<p>F-16s get some exercise</p>
Cassini’s latest find hints at more exciting discoveries to come
<p>Curiosity calibrates its camera</p>
The LADEE mission seeks the faintest of lunar phenomena
<p>Engineers test components that will keep a telescope warm in space.</p>
In 1863, the world's first aerial photographer launched the world's largest balloon. It didn't go so well.
Curiosity’s failure to find this possible marker of life makes the puzzle more interesting
It's only a simulation, but it's only half the price of a real flight
<p>Much of the U.S. saw a beautiful show of October northern lights.</p>
<p>Australians come out to see a history-making airplane.</p>
<p>Taxiing at the end of a long day.</p>
Not likely
<p>A Russian tradition during launch preparations.</p>
Should searching for extraterrestrial life be the primary goal of our space program?
<p>An aircraft design that never quite made it out of the patent stage.</p>
The end of the beginning of commercial spaceflight
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