Like Apollo 8 in 1968, NASA's Artemis 2 mission from Florida will send a crew of astronauts around the moon and back without landing.

They were the pioneers of space exploration - the 24 Nasa astronauts who travelled to the Moon in the Apollo missions of the 1960s and 1970s. The loss of Apollo 13 commander Jim Lovell, who guided the stricken mission safely back to Earth in 1970, means ...

NASA has launched hundreds of missions, but a small number genuinely reshaped how we understand space. These missions did more than reach distant places. They gave scientists entirely new ways to study planets, stars, and the origins of the universe.

Add Yahoo as a preferred source to see more of our stories on Google. Commander Gene Cernan, the last person to walk on the moon, during NASA's final Apollo lunar landing mission, in December 1972. - NASA As he took his final steps before leaving the moon ...

The U.S. space agency will aim to send a nuclear-powered spacecraft to Mars—a first—in a bid to show that nuclear propulsion can be used to send missions into deep space

NASA had a contingency plan in case Apollo astronauts were stranded near the Moon, but it was far stranger and riskier than you might expect.

NASA plans to launch its first nuclear-powered interplanetary spacecraft in 2028, a probe called Space Reactor-1 Freedom that will carry helicopters to Mars.

In an on-going overhaul of NASA's Artemis program, agency officials say it will take seven years to build a sophisticated base on the moon.