When we start talking about Earth's origin, there are many theories on the table that have been tossed around for years, with the Big Bang hypothesis often leading the charge. But thanks to the James ...

Hot Jupiters rank among the strangest planets astronomers have ever found. They are gas giants as massive as Jupiter, yet they race around their stars in just a few days. Since the first such world ...

Add Yahoo as a preferred source to see more of our stories on Google. Radio telescopes have spotted planet-building pebbles in distant solar systems, shedding new light on how worlds like Earth begin ...

Over four billion years ago, the solar system was a wild and dangerous place. Swirling clouds of dust and gas slowly turned into the planets we know today. One giant, Jupiter, grew quickly and changed ...

For years, astronomers have believed that water-rich planets could only form beyond a system’s “snow line,” the region where icy materials condense during planet formation. Yet a recent Nature study ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy – and why the life and death of nearby stars are an important piece of the puzzle. In a paper ...

A new model from a Florida Tech professor suggests how planets are formed may determine if they have water. The study proposes that some planets may be "born dry" because they lack a way to attract ...