WASHINGTON -- New satellite images of the besieged Syrian region of Houla provide stark evidence of last week's massacre of more than 100 civilians, m...

BERLIN — Germany's aerospace center denied Monday that it is working with the U.S. on a $270 million high-tech secret spy program, insisting tha...

In a region known for cutthroat espionage, these five intelligence chiefs have leveraged their skills and connections to gain influence far above thei...

There is so much space trash that scientists are warning it could be poised to take out the satellites we depend on every day -- and trap us here on a heating earth.

How is it -- given a skyful of satellites and legions of human spies -- that we were surprised by North Korea's missile launch? Why is it that we know so little about this country?