Scientists have long puzzled over how our solar system’s planets formed, because this isn’t a process they can watch unfold. Researchers have generally thought that Jupiter and Saturn grew out of ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter's formation caused violent rock collisions that formed chondrules, revealing clues about how planets and solar systems are ...

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter's early growth shaped Earth's formation by trapping dust, forming rings, and protecting planets from spiraling into the ...

We already know a decent amount about how planets form, but moon formation is another process entirely, and one we're not as familiar with. Scientists think they understand how the most important moon ...

Hot Jupiters, giant planets that circle their stars in just a few days, have long defied simple explanations of how planetary systems grow and evolve. A new tidal “clock” hidden in their orbits is now ...

A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...

Not all of the solar system's building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed in the first million years after the Sun was born. Others, including the ...