NASA's first crewed lunar mission in more than 50 years moved one step closer to liftoff recently with a full launch day ...

Its crinkled gold thermal insulation, metallic structures, and the cup-shaped reflective thruster are not just aesthetic ...

From auroras at 36,000 feet to comet flybys and eclipses, these are the standout images our readers shared with Space.com in ...

Specifically flagged by the UNEP are air pollution from launch emissions, spacecraft emissions in the stratosphere, as well ...