Does a fountain of youth exist? Covering up gray hair is a multibillion-dollar business worldwide, a beauty behemoth that promises a temporary reprieve from one of agings most obvious signs. But why does hair gray, anywayand will science one day find a way to reverse it?The answer most likely is ...

Photo by @amivitale | Happy World Giraffe Day! Here, Lekupania, a keeper at Reteti Elephant Sanctuary in northern Kenya, brings bottles to orphaned giraffes that were rehabilitated and returned to the wild. Remarkably, each time a new orphan arrives, former orphans, now grown, return to greet the...

Popularized by young couples in the Victorian period, stamps were once used to symbolize a number of romantic messages. From a heartfelt I am always thinking of you to a wishful When are you coming to see me?, many secret conversations were had thanks to stamps.Host: @thehalleybee

A surprising number of women dont realize it, but their biggest health risk in their 60s is heart disease. Its the leading cause of death in women in the United States, so many key recommendations focus on maintaining cardiovascular health.Its also important to know and recognize the symptoms of ...

Our vibe all summer long In this aerial image, sunbathers lay out on beach towels and under umbrellas in Ocean City, Maryland. Photo by Emory Kristof

Video by Pete McBride @pedromcbride | Time sweeps over an ancient, iconic geological landscape: Grand Canyon National Park. Recent policies have increased the layers of protection for the lands neighboring this popular park, including last year's designation of Baaj Nwaavjo Itah KukveniAncestral ...

Before the Great Migration, a lesser-known Black migration movement to Kansas took place. Here's what made the Great Exodus so significant. Read more at the link in bio.Host: @thehalleybee

Nearly half of the pregnancies that occur every year are unintended, both in the U.S. and around the world. Could a contraceptive for men help?We might find out in the next decade. Scientists are successfully experimenting with pills, gels, and implants that would allow men to share contraceptive...

Photo by @javier_aznar_photography | In the Choc rainforest of Ecuador, a treehopper mother joins nymphs feeding on the sap of a plant. The coloring warns predators of the insect's bad taste.

Calling all shark loversand haters were about to convert to loversits time for #Sharkfest Join us in appreciating these wonderful creatures starting Sunday, June 30 at 9/8c on @natgeotv. Streaming July 1 on @DisneyPlus and @hulu.Photos by @enricsala

Presented by @Rolex. Giant freshwater fish are among the most endangered animals on Earth. But in the lush waterways of the Amazon, arapaima are swimming against the current. Just over a decade ago they faced extinction, but conservation efforts spearheaded by local communities have turned things...

Emerging science suggests that the effects of trauma could be genetically passed down from one generation to another.If you feel you have been affected by a very traumatic, difficult, life-altering experience that your mother or father has had, theres something to that, says Rachel Yehuda, profes...