A rare discovery beyond Neptune is forcing scientists to rethink early solar system dynamics and the forces that shaped distant worlds.

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 ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

“It’s older than the Earth.” In a mere five words, planetary geologist Scott Harris summed up the staggering nature of a humble, small rock that tore through a Georgia home this summer. The 23-gram ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

If its interstellar origins were to be confirmed, it’d only be the third of its kind spotted in the solar system in history. An oblong interstellar object, dubbed ‘Oumuamua, was first discovered in ...