"Big Life" Habitable Exoplanet Twice Size of Earth Detected... For most of human history, the question of whether or not extraterrestrial life exists has been philosophical. It's only in recent years that we have had the hard-science modeling tools and observational technology to address this question. A team of
ESO telescope sees surface of dim Betelgeuse... Using ESO's Very Large Telescope (VLT), astronomers have captured the unprecedented dimming of Betelgeuse, a red supergiant star in the constellation of Orion. The stunning new images of the star's surface show not only the fading red supergiant b