KENNEDY SPACE CENTER, Fla. — The world was shocked and saddened 39 years ago after the Space Shuttle Challenger tragedy. The ...

It's been 39 years since the Challenger space shuttle, carrying seven people, took off from Florida's Kennedy Space Center, ...

A super-Earth planet found outside of our solar system could have conditions suitable for life, according to experts at the ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy ...

Planetary defense is a global imperative, of course, but for the time being, NASA — and, by extension, the United States — is ...