APRIL 26TH, 2010 BY JIM GARRETTSON The X-37B during launch preparations Last week, Air Force Space Command launched Boeing’s X-37B unmanned ...

Livermore, California (CNN) -- Scientists at a government lab here are trying to use the world's largest laser -- it's the size of t...

CNN) -- An American-born Muslim cleric has appeared in a video released by al Qaeda in the Arabian Peninsula. Anwar al-Awlaki, an al Qaeda r...

Stephen Hawking warns over making contact with aliens Mr Hawking says it is 'perfectly rational' to believe in aliens Aliens almost ...

Tehran, Iran (CNN) -- Iran said Sunday it fired five new types of locally-made coast-to-sea and sea-to-sea missiles in the last stage of its...