ONCE upon a time, 4.6 billion years ago, something was brewing in an unremarkable backwater of the Milky Way. The ragbag of stuff that suffuses the inconsequential, in-between bits of all galaxies – ...

Planetary scientists led by Paolo Sossi have determined that Earth assembled almost entirely from material originating in the inner solar system, with outer solar system contributions limited to just ...

Samples taken from the asteroid Bennu are continuing to shed light on the origins of the solar system. Scientists have been studying the samples since NASA's Osiris-REx spacecraft carried them back to ...

NASA-supported scientists have provided new information about how the early Earth may have acquired some elements necessary for the planet to become habitable. They also suggest a new role for Jupiter ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's chemical makeup solidified just three million years after the Solar System formed—yet it was a later collision with ...

Add Yahoo as a preferred source to see more of our stories on Google. Ryugu asteroid samples preserve magnetic signals from the early solar system, revealing clues about the solar nebula. (CREDIT: ...