Humanity has built some incredibly destructive weapons. There are still roughly 12,000 nuclear warheads on Earth today, ...

Plenty of asteroids can survive their fiery plunge through the Earth’s atmosphere. If they’re big enough, they can prove incredibly destructive, like the 60-foot Chelyabinsk meteor that exploded over ...

Earth Day should remind us that the planet is protected by political courage, international accountability and the choices ...

Andy Weir sat down for a recent StarTalk interview and spoke openly about his biggest disappointment with the film version of ...