Livescience.comstaff Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Scientists detect most massive black hole merger ever — and it birthed a monster 225 times as massive as the sun2100 undiscovered galaxies may be orbiting the Milky Way, supercomputer simulations hint3Live Science crossword puzzle #1: Largest organ in the human body — 9 across4Grand Canyon Dragon wildfire burns down historic lodge and triggers toxic gas leak5Roman dodecahedron: A mysterious 12-sided object that has baffled archaeologists for centuries
