How many planets do you think are in this photo? At least hundreds of thousands according to a new joint Japan-New Zealand survey that scanned the center of the Milky Way in 2006-2007 looking for ...

Learn how many suns exist in the Milky Way and how to understand how many sun-like stars are out there could help us ...

(AP) Our Milky Way is home to at least 17 billion planets that are similar in size to Earth, a new estimate suggests. That’s more than two Earth-size planets for every person on the globe. Just how ...

IMAGE: An artist’s impression of a free-floating planet. Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world ...

Astronomers at the University of Auckland claim that there are actually around 100 billion habitable, Earth-like planets in the Milky Way. There are roughly 500 billion galaxies in the universe, ...

PoET and ESPRESSO telescopes are new tools that will eliminate stellar noise and detect Earth-like planets around Sun-like stars.

The Milky Way keeps its planets close to its chest. Stars in a thin, flat disk bisecting the galaxy have more planets on average than stars in a thicker, enveloping disk — and astronomers now think ...

Using observations and archival data from several of NSF’s NOIRLab’s observatories, together with observations from telescopes around the world and in orbit, astronomers have discovered at least 70 ...

Building on eight years of extraordinary discoveries by the Sloan Digital Sky Survey (SDSS and SDSS-II), a new program of four coordinated surveys will revolutionize the study of the distant universe, ...

NASA scientists using the Hubble Space Telescope have discovered what they believe are 16 new planets deep in the Milky Way, leading them to conclude there are probably billions of planets spread ...