Illustration of a Mars transit habitat and nuclear propulsion system that could one day take astronauts to Mars. Credit: NASA For NASA, sending a crewed mission to Mars has been the long-term goal for ...

How do you build a planet, let alone one capable of sustaining and evolving life? The clues to the “recipe” can perhaps be found in the leftovers scattered around our solar system. Things like ...

With the start of the new year, we're starting a new feature. We're bringing you daily facts on the history of human space exploration. From the renaissance Italian astronomers to commercial crew ...