CNN’s Ben Wedeman dives deep underground in Rome to explore the Aqua Virgo, an ancient aqueduct that continues to supply water to the Trevi Fountain and other landmarks. Elon Musk uncovers limestone ...

Sound of a meteorite hitting Earth captured for the first time – on a doorbell camera The dog breed that lives the longest, according to data—and see if your dog is among the 62 longest-living ...