A new study by Rice University researchers Sho Shibata and Andre Izidoro presents a compelling new model for the formation of ...

It’s probable that organic-rich material found in planetesimals interacted with the planets’ hydrogen/helium atmosphere and ...

Scientists have proposed two primary explanations: either these elements never fully condensed in the early solar nebula, or they were lost through differentiation and collisions as planetesimals ...

The dust particles were brought together by the forces of drag to form clumps of rock that grew into what scientists call “planetesimals,” which are tens to hundreds of miles across, and then to ...