Ever felt like you've been queuing forever? Scientists say fossils found in Morocco suggest the practice of forming orderly lines may date back 480 million years and could have had evolutionary advant ...

A Mars lander's digger is burrowing into the red planet again after hitting a snag seven months ago. NASA said Thursday the mechanical mole has penetrated three-quarters of an inch (2 centimeters) ove ...

Men have floated out the hatch on all 420 spacewalks conducted over the past half-century. That changes Friday with spacewalk No. 421. NASA astronauts Christina Koch and Jessica Meir will make "HERsto ...

Facebook CEO Mark Zuckerberg on Thursday defended the social media platform's refusal to take down content it considers newsworthy "even if it goes against our standards." But while he promoted free e ...

The Senate's top Democrat is calling on the Food and Drug Administration to examine a report that found dozens of baby food products contaminated with lead and other metals. Sen. Chuck Schumer says Su ...

Australia's Qantas on Sunday completed the first non-stop commercial flight from New York to Sydney, which was used to run a series of tests to assess the effects of ultra long-haul flights on crew fa ...