A big step in the exploration of other planets in our solar system is within reach. Scientists and engineers at NASA have ...

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years But RPS is expensive, costing ...

China envisions exploring the solar system, and it seems that would happen soon. The country launched Tianwen-2, an innovative space probe tasked with retrieving samples from an uncharted asteroid and ...

Add Yahoo as a preferred source to see more of our stories on Google. A pellet of plutonium 238, illuminated by the glow of its own radioactivity. NASA and other space agencies use this material in ...