A newly launched supply ship has run into engine trouble that is preventing it from reaching the International Space Station.

Northrop Grumman's Cygnus XL experienced main engine troubles that have hampered its resupply mission to the International ...

Blue Origin plans to launch its New Shepard rocket on a mission with no passengers carrying science experiments for NASA and ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...