CAPE CANAVERAL, Fla. — The space shuttle Endeavour, the youngest orbiter in NASA's fleet, soared into the morning sky Monday to begin the final mission of its 19-year career.
Endeavour blazed a path through the sky here at the Kennedy Space .
We are not alone in the universe -- and alien life forms may have a lot more in common with life on Earth than we had previously thought.
That's the stunning conclusion one NASA scientist has come to, releasing his groundbreaking revelations in .
How to Learn a Star's True Age
For many movie stars, their age is a well-kept secret. In space, the same is true of the actual stars. Like our Sun, most stars look almost the same for most of their lives. .