Mysterious Structures Discovered Beneath Earth May Explain Why Our Planet Supports Life

The Strange and Totally Real Plan to Blot Out the Sun and Reverse Global Warming | A 25-person startup is developing technology to block the sun and turn down the planet’s thermostat. The stakes are huge — and the company and its critics say regulations need to catch up.

So this comet is passing earth today

Scientists want to search for life in this double star system devoid of giant exoplanets. Here's why