A vehicle that could dive underwater … and stay there? During the Revolutionary War, an American colonist built an experimental submersible vehicle that George Washington called “an effort of genius.” ...

KEY WEST, Fla. — A 170-pound loggerhead turtle nicknamed “Molly” was back home in the warm waters of the Florida Keys on Tuesday after a successful surgery to remove a life-threatening tumor inches ...

I received a handful of emails on Tuesday morning about towering, disk-shaped clouds popping up over the Northern New England mountains, looking like alien spaceships ready to join in on our ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Mr. Pretor-Pinney is an author in Somerset, Britain, and the founder of the Cloud Appreciation Society. I love the way clouds billow above your head, drift lazily across blue skies and cast fleeting ...

In “The Beast in the Clouds,” Nathalia Holt tells the story of Theodore Roosevelt’s eldest sons, and their doomed attempt to escape his shadow. By Joshua Hammer Joshua Hammer’s most recent book is ...

Turtles are one of the oldest kinds of reptiles on the planet. Their hard shell and slow-moving mannerisms make them unique pets. They’re hardy creatures and can be fun to care for. They may seem like ...

Plants, plankton and sea spray all release elements that help the atmospheric blankets form Max G. Levy The view from a research aircraft that scientists use to collect data from high in Earth’s ...

Christian Jakob receives funding from the Australian Research Council. At any given time, about two-thirds of Earth’s surface is covered by clouds. Overall, they make the planet much cooler than it ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Take a look at the sky on any given day and you’ll likely see ...

Ross Lazear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...