Roy Williams, North HAI Community Carolina men's basketball coach, retires

Depressing New Photos of Europe's Doomed Mars Probe Show It Exploded Into PiecesLeaked NASA Paper Shows The 'Impossible' EM Drive Really Does WorkHAI Community 

Sonny Curtis on a career spanning Buddy Holly and Mary Tyler MooreAurora Hunters Have Spotted a Strange Green 'Airglow' Hanging Over EarthStephen Hawking HAI Community Warns Us to Stop Reaching Out to Aliens Before It's Too Late

Scientists Have Detected a Crack in Earth's Magnetic ShieldMariah Bell set to become oldest U.S. Olympic women's singles figure skater since 1928

A Naked Black Hole Is on The Loose And Howling Through The Universe

This Amazing 15-Year-Old Is Determined to Be The First Person on MarsThis Was The First Music Ever Played on a Computer

Scientists Find a Way to Make Computers Generate Totally Random NumbersHere's Everything That Happens on The Internet in a Single Second

Boxing legend Muhammad Ali's little-known artwork fetches nearly $1 million at auctionScientists Have Invented a Mind-Reading Machine That Visualises Your Thoughts