Earth, warm Jupiter, and brown dwarf in highly inclined and eccentric orbits, giving insights into planetary formation.

Thanks to the sheer mass of Jupiter and fellow gas giant Saturn, the Solar System barycenter is rarely in the center of the Sun, and often outside of the Sun altogether, as the video below from ...

SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a “super-Jupiter” has substantial differences from our solar system’s ...

A day on Earth lasts a familiar 24 hours, but across the solar system, time moves very differently. Some planets rotate slowly that a single day can last longer than an entire year, while others spin ...

Jupiter has the eastern sky all to itself this fall. It's really a head-turner. There are couple reasons for its brighter-than-normal appearance. At opposition, Earth (the faster planet) passes ...