Atom & Cosmos

Life in black holes, energy from dark matter and other intriguing possibilities in this week's news

Black holes may harbor life
Life may exist inside the supermassive black holes at the centers of galaxies, a new study speculates. Rotating, charged black holes have stable, periodic orbits for planets and photons. Invisible from the outside, advanced civilizations might inhabit the interiors of supermassive black holes, with orbiting photons and other light from the inside illuminating the planets and providing an energy source for living things.