The first Mars astronauts could spend six to nine months trapped in a spacecraft unless propulsion changes dramatically. This ...

The Kirov class was the Soviet Union’s attempt to build a surface warship massive enough to challenge U.S. carrier groups and ...

Add Yahoo as a preferred source to see more of our stories on Google. Two United States based firms have entered into a partnership to advance high-power nuclear electric propulsion technology for ...

Matter-antimatter annihilations produce about 10 billion times more energy per unit mass than chemical combustion (which ...

The agency wants to fly it to Mars by the end of 2028. Experts say that’s … ambitious. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...

NASA plans to send crewed missions to Mars over the next decade—but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip. This ...

Researchers conclude the nuclear-powered cruise missile almost certainly uses a direct-cycle engine that spews radioactive ...

The trip to Mars and back is not one for the faint of heart. We're not talking days, weeks, or months. But there are technologies that could help transport a crew on that round-trip journey in a ...

Present-day spaceships, no matter if they're meant to carry people or not, are powered either by solar energy or chemical fuel, or a combination of the two. But if we are to expand humankind's ...

A consortium led by Belgian engineering firm Tractebel has completed the European Space Agency-commissioned RocketRoll project on nuclear electric propulsion for space exploration. The consortium has ...

ABS, HD Korea Shipbuilding & Offshore Engineering (HD KSOE) and HD Hyundai Samho Heavy Industries (HD HSHI) signed a joint development project (JDP) for the “Conceptual Design of a Nuclear-Powered ...