Nearly a week after launch, space tracking systems were able to locate a mysterious satellite parked in an unusually low ...

The Kennedy Space Center Visitor Complex has unveiled “The Gantry at LC-39,” a new immersive attraction. Located within the ...

The new test proved the capability of a new propellant that will enhance the rocket's performance, making a sample return mission from Mars increasingly viable.

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the interplanetary environment for two more years. But by the end of 1967, the spacecraft ...

An astrophysicist wrote to government officials in March warning the public was being given a "materially incomplete" picture.