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 ...

Homer Newell and the Origins of Planetary Science in the United States -- The Survival Crisis of the US Solar System Exploration Program in the 1980s -- Faster, Better, Cheaper: A Sociotechnical ...

Uranus, a largely unexplored giant planet in our solar system, has long been a subject of scientific intrigue. Yet, despite its significance, this ice giant remains one of the most neglected planets ...

The Panel on Small Solar System Bodies is one of six panels providing topical input to the Planetary Science and Astrobiology Decadal Survey Steering Group. This panel will discuss the role played by ...

The Solar System remains a unique natural laboratory for exploring the processes that govern planetary formation, evolution and dynamics. Contemporary research continues to refine our understanding of ...

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 : ...

MITCHELL L. SOGIN, Chair, is a senior scientist and director of the Josephine Bay Paul Center for Comparative Molecular Biology and Evolution at the Marine Biological Laboratory (MBL) in Woods Hole, ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

There’s a bit of a paradox about our galaxy: it’s both jam-packed with stars and cavernously empty. The Milky Way is crowded in the sense that it holds hundreds of billions of stars, as well as ...

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, ...

Space scientists have revealed a new image of the mysterious space rock that passed through our solar system. Researchers said the picture shows the interstellar Comet 3I/ATLAS, suggested to be a ...