A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.
When you look up at the night sky, planets seem calm and fixed. But a new study shows that nearby planetary systems can be violent and chaotic. Using NASA’s Hubble Space Telescope, astronomers have ...
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 ...
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 ...
Four planets orbiting a newly born star in our galaxy are so light that they have the density of polystyrene, and could provide a key missing link in helping us understand how the most common ...