As you rush through busy terminals, juggling bags and boarding passes, your credit cards may be at risk, not just from pickpockets, but from digital thieves using high-tech tools like RFID (radio-frequency identification) skimmers. While today’s chip-enabled cards are more secure than old magnetic...

An ancient jawbone discovered in Taiwan belonged to an enigmatic group of early human ancestors called Denisovans, scientists reported Thursday.Relatively little is known about Denisovans, an extinct group of human cousins that interacted with Neanderthals and our own species, Homo...