NASA has sent five robotic vehicles to Mars. Sojourner, Spirit, Opportunity, Curiosity, and Perseverance. Look back at the missions. (NASA/AFP via Getty Images) Martian mudstones contain features that ...

NASA and Elon Musk are racing toward the same destination, but they are not running the same race. While SpaceX talks in terms of the next launch window, NASA is quietly building a layered campaign of ...

As the Orion, the world’s most advanced deep-space capsule, counts down to circumnavigating the Moon, that trek could be the forerunner to a cascade of Mars missions in the 2030s. Shown here is a ...

UNIVERSITY PARK, Pa. — As humanity prepares to take its first steps on Mars, a comprehensive report released today (Dec. 9) from the National Academies of Sciences, Engineering, and Medicine and ...