Their beauty has captivated us for millennia. Their cost can be extraordinary–some are even considered priceless. Precious gems like diamonds, rubies, emeralds, opal, and jade are the ultimate treasures of the earth, and each one is made from a specific–and... More

North Korea has launched more than a dozen missiles this year, including ICBMs. What are ICBMs, and why are they so hard to shoot down? More

In May and June of 2018, over 2,000 migrant children were forcibly separated from their parents after crossing the U.S.-Mexico border following the announcement of President Donald Trump's "zero tolerance" immigration policy. The separations may have long-term... More

Some scientists want to genetically engineer elephants to be more like woolly mammoths. Could this save elephants from extinction and save us from climate change? Resurrecting megafauna sounds like a monster movie plot, but mammoths have the potential to save—not... More

You’ve probably seen drawings of atoms everywhere from science textbooks to the logo for The Big Bang Theory. But the truth is much stranger than most of those images let on. So what does an atom really look like? Find out in this episode of More