News

By Jessie Yeung, CNN Hong Kong (CNN) — Record-breaking rainfall paralyzed much of Hong Kong on Friday, with flash flooding submerging metro stations and trapping drivers on roads, as authorities suspended schools and urged the public to seek safe shelter. Photos and videos showed residents wading through murky brown floodwaters as heavy rain continued to

CNN By Ashley Strickland, CNN (CNN) — When the Perseverance rover landed on Mars in February 2021, it wasn’t alone. In addition to the Ingenuity helicopter, the rover carried a suite of science instruments designed to search for ancient signs of life. And tucked in its chassis, Percy also had MOXIE — the Mars Oxygen

By Jackie Wattles, CNN (CNN) — Senior NASA officials say that the agency’s Space Launch System — the massive rocket designed to propel its ambitious Artemis program to establish a base on the moon — is “unaffordable,” according to a report Thursday from the US Government Accountability Office. The report, which breaks down SLS program expenditures,

By Brad Lendon and Hamdi Alkhshali, CNN Seoul, South Korea (CNN) — North Korea claims to have launched a new “Korean-style” tactical nuclear attack submarine that it says heralds “the beginning of a new chapter” for its navy. But analysts say those claims should be taken with a large pinch of salt, with South Korean

By Ashley Strickland, CNN (CNN) — The first experiment to produce oxygen on another planet has come to an end on Mars after exceeding NASA’s initial goals and demonstrating capabilities that could help future astronauts explore the red planet. The microwave-size device called MOXIE, or Mars Oxygen In-Situ Resource Utilization Experiment, is on the Perseverance