Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Exoplanet Travel Bureau turned abstract data into retro travel posters, blending science and art to make alien worlds feel ...

Kepler-186f orbits a cooler, redder sun, earning it the tag line "where the grass is always redder" on NASA's poster.

Artist's concept shows Kepler-186f , the first validated Earth-size planet to orbit a distant star in the habitable zone. ( Image courtesy NASA Ames/SETI Institute/JPL-Caltech) WASHINGTON, DC, April ...

When scientists discovered the first planet orbiting another star in 1995, few outside astronomy circles noticed. That planet, 51 Pegasi b, opened the door to a field that now boasts more than 5,000 ...