“Fusion doesn’t want to work in an atmosphere. Space is a far more logical, sensible place to do fusion, because that’s where ...

Add Yahoo as a preferred source to see more of our stories on Google. Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to complete. And that's ...

A newly identified corridor, anchored to an asteroid’s orbit, may transform how scientists chart missions to the red planet — and reshape the future of human deep-space travel. For decades, a trip to ...

Mars nuclear rocket: Ohio State University researchers have achieved a breakthrough with their centrifugal nuclear thermal rocket (CNTR) design. Recent tests show a specific impulse of 1,800 seconds, ...

Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to complete. And that's during a very specific orbital alignment that occurs once every two years ...