The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic ...

The data was gathered from the deepest-ever survey of NGC1333, a star-forming cluster located about 1,000 light-years from Earth. The newly discovered planets are among the lightest ever detected and ...

A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

Whenever planets are visible in the night sky, they always appear roughly along the same line. This path, known as the ...

UCLA astrophysicists have now measured the shape of the orbits of exoplanets — from the size of Jupiter down to the size of Mars — and shown that small planets have nearly circular orbits ...

Scientists are discovering more exoplanets, but they’re still figuring out how these planets form. Jupiter-like exoplanets ...

The shape of a planet's orbit is one of its fundamental properties, along with its size and distance from its host star.

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.