The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...

could have produced conditions that allowed rapid mineral hydration. Fred J. Ciesla, Dante S. Lauretta and Lon L. Hood of the UA and Barbara Cohen of the UH collaborated in the study. Lauretta and ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Before the Earth and other planets formed, the young sun was still surrounded by cosmic gas and dust. Over the millennia, rock fragments of various sizes formed from the dust. Many of these became ...

A decade of observations with the Subaru Telescope in Hawaii has uncovered the existence of an intriguing cluster of objects at the edge of our Solar System. This could drastically shift our ...

MIT scientists analyzed one of several particles (shown in black) from the asteroid Ryugu, and found evidence that a weak magnetic field likely existed in the outer solar system where the asteroid is ...

And the earth was without form and void, and darkness was upon the face of the deep. Sometimes, if the night is dark and clear enough, you can look up and see the Milky Way in its arc across the sky.