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 ...

Introduction: NASA's solar system exploration paradigm : the first fifty years and a look at the next fifty / James L. Green and Kristen J. Erickson -- Part I. Overview. Exploring the Solar System : ...

"The Voyagers have been deep space rock stars since launch, and we want to keep it that way as long as possible!" When you purchase through links on our site, we may earn an affiliate commission. Here ...

"There's one we haven't found — a planet just like ours. At least, not yet." It might sound hard to believe, but NASA's exoplanet count just reached 6,000 — and that's with only about 30 years of ...