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Some artificial sweeteners disrupt the microbes in our gut—possibly in ways that increase the risk of weight gain, diabetes, and heart disease.
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Mounting evidence shows that many of today’s whole foods aren't as packed with vitamins and nutrients as they were 70 years ago, potentially putting people's health at risk.
Learn moreSperm counts worldwide are plummeting faster than we thought
Sperm counts worldwide are plummeting faster than we thought
“We may cross a tipping point when most men will be sub-fertile,” says one expert. Here are environmental and lifestyle factors that could increase a man’s risk.CORONAVIRUS COVERAGE
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Animals
- Who buys lion bones? Inside South Africa’s skeleton tradeWho buys lion bones? Inside South Africa’s skeleton trade
- Axolotls and capybaras are TikTok famous—is that a problem?Axolotls and capybaras are TikTok famous—is that a problem?
- Elephants are learning to live with us. Can we do the same?Elephants are learning to live with us. Can we do the same?
- See how Nat Geo photographed elephants over 100 yearsSee how Nat Geo photographed elephants over 100 years
- The secret superpowers of elephants, in stop motion, Video StoryThe secret superpowers of elephants, in stop motion
Environment
- Why poison ivy is an unlikely climate change winnerWhy poison ivy is an unlikely climate change winner
- Rats invaded paradise. Here’s how paradise fought back.Rats invaded paradise. Here’s how paradise fought back.
- A giant mass of seaweed threatens beach season in the U.S.A giant mass of seaweed threatens beach season in the U.S.
- What is aquaculture? It may be the solution to overfishing.What is aquaculture? It may be the solution to overfishing.
- A deadly fungus with mysterious origins is raising alarmsA deadly fungus with mysterious origins is raising alarms
- Behold the surreal magic and mystery of slime moldsBehold the surreal magic and mystery of slime molds
- See what a year looks like in the fastest-warming place on EarthSee what a year looks like in the fastest-warming place on Earth
- Monitoring the heart of the Okavango Delta
- Paid Content for Advertiser
Monitoring the heart of the Okavango Delta
History & Culture
- The real history of exorcisms that you don't see in moviesThe real history of exorcisms that you don't see in movies
- See how Muslims celebrate Eid al-Fitr around the worldSee how Muslims celebrate Eid al-Fitr around the world
- 'The Odyssey' offers more than just monsters and magic'The Odyssey' offers more than just monsters and magic
- Kosovo wants to decide its future—but will history hold it back?Kosovo wants to decide its future—but will history hold it back?
Science
- These 7 hormones control your hunger. Can we influence them?These 7 hormones control your hunger. Can we influence them?
- 52-million-year-old bat skeletons are the oldest ever found52-million-year-old bat skeletons are the oldest ever found
Travel
- All aboard the slow train to Patagonia, a relic of a bygone eraAll aboard the slow train to Patagonia, a relic of a bygone era
- 8 of the best new hotels for a US city break in 20238 of the best new hotels for a US city break in 2023
- 6 hiking and biking trails to explore in the Alps this summer6 hiking and biking trails to explore in the Alps this summer
- The Civil War raged outside their homes. Explore their stories.The Civil War raged outside their homes. Explore their stories.
- 7 hands-on food and drink experiences to try in Italy7 hands-on food and drink experiences to try in Italy
- Behind the fairytales: a journey into the Black ForestBehind the fairytales: a journey into the Black Forest