NASA astrobiologist Chris McKay travels the most remote parts of Earth to understand how life might survive on other planets. But he’s also investigating another potential life form in space: humans. Can humans become a multi-planet species, he asks. Can…
By Miles O'Brien
It will take a big rocket to get to Mars, and a big space capsule to protect humans during the months-long journey. It also takes decades of testing and development to plan a mission that will take humans…
By Travis Daub and Rebecca Jacobson, Inside Energy
Lockheed Martin unveils a prototype of its new Orion space vehicle.
NASA has unveiled plans for crew and launch vehicles to return humans to the moon as the first steps toward building an outpost there and eventually traveling to Mars. NewsHour correspondent Tom Bearden takes a closer look at NASA's space…
By PBS NewsHour
NASA has awarded a multibillion dollar contract to Lockheed Martin to build a manned spacecraft to replace the retiring space shuttle fleet and ferry astronauts to the moon and possibly Mars.
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