Two planets with very different densities and compositions are locked in surprisingly close orbits around their host star, according to astronomers working with NASA’s Kepler mission. One planet is a ...

NASA scientists working on the Kepler Mission have discovered an unprecedented solar system, in which two planets with vastly different densities and compositions are locked in a surprisingly close ...

Few nighttime sights offer more drama than the full Moon rising over the horizon. Now imagine that instead of the Moon, a gas giant planet spanning three times more sky loomed over the molten ...

A team of astronomers has discovered a planet three times the mass of Jupiter in the Kepler-88 system. The team found that Kepler-88 d is the most massive known planet in this system - not Kepler-88 c ...

Since the discovery of Kepler-10, the system has received considerable interest because it contains a small, rocky planet which orbits the star in less than a day. The system’s parameters, announced ...

An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations. An unusual planetary system with three known ultra-low ...

NEW HAVEN -- Here's a close encounter of the planetary kind. A team of astronomers, including one from Yale University, has discovered two planets in a distant solar system orbiting closer to each ...

The unusual system of three “super puff” planets has at least one more planet, revealed by its gravitational tug on other planets An unusual planetary system with three known ultra-low density ...