— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

A recent conundrum about a star 1,500 light years away discovered by the Kepler Space Telescope has extraterrestrial enthusiasts crying "alien" as an explanation, but scientists studying the star are ...

In 2015, NASA’s Kepler Space Telescope confirmed a planet almost identical to Earth — Kepler-452b, orbiting a Sun-like star 1,400 light years away. It wasn’t just a discovery; it was proof that worlds ...

Last time, NASA’s Kepler planet-finding mission found a planet in the right orbital location to support life, but it was the wrong size. This time, Kepler has found two planets of the right size but ...

The orbits of a seven-planet system discovered in Kepler Space Telescope data has been sonified. Credit: Bishop’s University / Jason Rowe / NASA Ames Research Center ...

Schmitt, Joseph R., Agol, Eric, Deck, Katherine M., Rogers, Leslie A., Gazak, J. Zachary, Fischer, Debra A., Wang, Ji, Holman, Matthew J., Jek, Kian J., Margossian ...