Planetary Systems

Earth-like planets discovered in atmospheres of dead stars

The stars, known as white dwarfs - small, dim remnants of stars once like the Sun - reside 150 light-years away in the Hyades star cluster, in the constellation of Taurus. The cluster is relatively young, at only 625 million years old.

Kepler mission discovers 11 planetary systems

NASA's Kepler mission has been on a roll. After drawing the world's attention to a host of unknown, Earth-sized planets, ...