NASA could be sending a nuclear-powered spacecraft to explore the skies of Mars in two years. The revelation about the new mission and the incredibly fast turnaround time to make it happen was mostly ...

Four giant solar ‘wings’ will provide power for the first crewed mission to the Moon in over 50 years, due to launch later ...

The U.S. space agency’s Skyfall project calls for sending robotic helicopters to Mars on a nuclear-powered spacecraft before ...

WASHINGTON — A pair of astronauts aboard the International Space Station stepped out into the void Wednesday, exiting the station for a spacewalk to conduct upgrades on a solar panel array. Jessica ...

The planet Mercury is the closest planet to the sun, and also the most difficult for spacecraft to visit and explore. This is ...