The discovery of a planet orbiting a binary star in the habitable zone is the tenth of its kind, indicating such planets are more common than previously thought. Michelle Starr is CNET's science ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

NASA's Kepler telescope has discovered a planet that orbits two suns, just like Luke Skywalker's homeworld of Tatooine. Luke Westaway Senior editor Luke Westaway is a senior editor at CNET and writer/ ...

NASA’s Kepler mission confirmed the discovery of its first rocky planet, named Kepler-10b. Measuring 1.4 times the size of Earth, it is the smallest planet ever discovered outside our solar system.

Spotting new exoplanets with NASA's Kepler space telescope is nothing new. Google even managed to automate the process with machine learning. Just add them to the pile with the 3,700 other exoplanets, ...

If you think it’s hard to be in a stable orbit around one star, think of how hard it must be to maintain an orbit around two. Binary star systems are the most common type of star system we have found.

The planets of our solar system move in ellipses. We've known this, so we are told, ever since Johannes Kepler devised his laws of planetary motion in the early 1600s. While it's true that orbits are ...