SpaceBiggest ever 3D map of the galaxy pinpoints 1.7 billion stars The Gaia satellite has been scouring the sky for years. Over 22 months, it has located billions of stars and thousands of galaxies. Here’s what it found News
SpaceWeird tiny galaxies found hiding in Hubble’s Ultra Deep Field We just found 72 new galaxies in one of the most studied areas of the sky. We can’t see their stars, but they were revealed by the glow of hydrogen gas News