̽»¨Ö±²¥first results from the Gaia satellite, which is completing an unprecedented census of more than one billion stars in the Milky Way, are being...
̽»¨Ö±²¥discovery of two massive holes punched through a stream of stars could help answer questions about the nature of dark matter, the mysterious...
With its very first – and last – observation, the Hitomi x-ray observatory has discovered that the gas in the Perseus cluster of galaxies is much...