Here’s how it works. NASA's Prometheus program to employ nuclear reactors in space is a work in progress - viewed as a key building block of the space agency's vision for space exploration.

NASA’s Prometheus program to employ nuclear reactors in space is a work in progress — viewed as a key building block of the space agency’s vision for space exploration. Shortly after the ...

NASA’s Cassini spacecraft, bringing the celestial wonders of Saturn’s rings to a screen near you since 2004, has outdone itself once again with its recent portrait of Prometheus, a glittering ...

Since Io’s volcanic plumes are spewing gas and dust more than 100 miles into space, collecting samples from Io’s volcanoes is easier than getting samples from other worlds. Instead of ...

ArianeGroup’s Prometheus engine received a substantial budget boost this year from the European Space Agency, which is paying the company via a fixed-price contract to build the Ariane 6 as a ...