The Gulf of Maine is a summer home to so many sharks. Among other visitors, we have spiny dogfish, blue sharks, thresher ...

Christopher Nolan’s latest blockbuster, "The Odyssey," had a suitably epic opening weekend. The film grossed $264.1 million, ...

Anduril’s FQ-44A Fury has crossed the line from ambitious prototype to armed combat aircraft, and the Pentagon now has to ...

Discover how tigers live, hunt, and survive, and learn about the conservation efforts helping secure their future in the wild.

CNN is honoring people who have shoved conventional wisdom aside and are shaping the world around us with their insights and innovations.

Researchers around the world are working to replace conventional dental procedures with regenerative techniques that could ...

Japanese biotech drug aims to reverse tooth loss by regrowing teeth. Here's how TRG-035 works, where trials stand and when it could arrive.

Researchers have developed a fluoride-free gel that could help rebuild damaged tooth enamel, something the body cannot ...

Evolution is all about trade-offs. Traits that may be beneficial in one situation may backfire in another. Over millions of ...

A Japanese biotech company is testing a drug designed to do what modern dentistry has never managed: regrow real, natural teeth in adults. If the science holds up in human trials, tooth loss could ...

Long before evolution equipped them with the right teeth, early humans began eating tough grasses and starchy underground plants—foods rich in energy but hard to chew. A new study reveals that this ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." The dream is wild enough to sound like science fiction: lose a tooth, grow another real one without ...