LONDON Astronomers have for the first time managed to determine the color of a planet outside our solar system, a blue gas giant some 63 light years away. An international team of astronomers working ...

Stars all around the universe appear in different colors. The hottest of the hot are white, followed by blue, and somewhere near the bottom of the color spectrum are red and brown, which are some of ...

In 1990, Voyager 1 captured the most distant portrait of our planet ever taken, revealing that from beyond Pluto's orbit, Earth appears as nothing more than a "pale blue dot." In a new study, ...

In a major breakthrough, researchers using the Hubble Space Telescope have seen the true color of a planet outside our solar system. HD 189733b, as the gas giant is called, is blue. A deep, vibrant, ...

NEW YORK — Call it the deep blue dot. For the first time, scientists have seen the visible color of a distant alien world. The exoplanet — called HD 189733b — is 63 light-years from Earth and a “deep ...

Scientists have identified, at this point, more than 900 exoplanets -- planets that exist outside our solar system, orbiting other stars. We know those planets are out there; but we know that, in ...