Space exploration has always relied on the continuous improvement of spacecraft propulsion systems. As humanity dreams of ...

From bicycles to rockets, learning through experience – whether human or machine – is shaping the future of space exploration ...

A new study published this month has issued an urgent call for future endeavors in space exploration to take nuclear space travel seriously. Similar to a previous study which called for scientists to ...

Human crews headed for Mars are still looking at journeys that last most of a year, long enough for radiation, boredom and ...

Scientists have developed a new form of nuclear propulsion that they claim could slash mission times to Mars and enable voyages to the farthest reaches of the solar system. A team from Ohio State ...

The other is how to control the rocket, given that it's in a compact, highly radioactive package out in space where no technician, even if they're aboard the ship, can get to it. Add to this, a rocket ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Marcos Fernandez Tous, University of North Dakota; Preeti Nair, University of North ...