Every time we think we're in a class by ourselves, it's only a matter of time. Used to be our solar system had the most planets around a single star. But thanks to new data from NASA's Kepler ...

Only a handful of star systems have more than a single planet. With eight worlds, our solar system has long taken the prize for the biggest lineup. But no longer. Our corner of the galaxy now shares ...

Astronomers studying data from NASA's retired Kepler space telescope discovered a new system of seven "scorching" planets orbiting a distant star that is bigger and hotter than the sun, the space ...

Through the looking glass: Observations from NASA's Kepler mission ended in 2018, but scientists are still pouring over what it recorded. That data can include information about new solar systems and ...

AMES, Iowa – An international team of astronomers has used nearly three years of high precision data from NASA’s Kepler spacecraft to make the first observations of a planet outside our solar system ...

On Feb. 22, astronomers announced that the ultra-cool dwarf star, TRAPPIST-1, hosts a total of seven Earth-size planets that are likely rocky, a discovery made by NASA’s Spitzer Space Telescope in ...

CAPE CANAVERAL, Fla. -- An eighth planet has been found in a faraway solar system, matching our own in numbers. Even more amazing, machines and not humans made the discovery. NASA joined with Google ...

Used to be our solar system had the most planets around a single star. But thanks to new data from NASA's Kepler spacecraft, we're now tied with the Kepler-90 system. Researchers recently uncovered ...