In fact, their poop piles are so dense that they show up on satellite images. And the guano stains aren’t just in the spots ...

There’s a bit of a mystery surrounding obesity. Even though it’s a risk factor for a whole host of health problems, it also seems to offer some mortality benefits. For example, obese individuals ...

Nineteen-year-old U.S. Army Pvt. David Lewis set out from Fort Dix on a 50-mile hike with his unit on Feb. 5, 1976. On that bitter cold day, he collapsed and died. Autopsy specimens unexpectedly ...

Human vision is imperfect. Our eyes do not always represent the world exactly as it is. We have blind spots. We see after-images. We are tricked by optical illusions. But some of these imperfections ...

Is there life elsewhere, or is Earth unique in the universe? This is one of humanity’s great unanswered questions. One way to approach this mystery is to investigate how life began here on Earth. Our ...

One of Egypt’s most iconic reminders of the Old Kingdom is the Great Sphinx, which was carved right out of the Giza Plateau’s limestone bedrock, a collection of ancient seabed sediments that ...

In October of 2023, a shipment of 45 hornbill skulls from Cameroon in Africa was seized by United States Fish and Wildlife Service officials at an airport in New York City. The skulls were shorn of ...

Deep in the Bavarian woods of Southeast Germany roam scores of wild boars—prized game in a country where hunting is akin to a national tradition. But most hunters would think twice before venturing ...

Just like us, our cells can get old. But while these senescent cells stop dividing, they linger on, which is one reason they’re sometimes called “zombie cells.” Zombie cells aren’t functionally inert, ...

What has hairy feet, legs dotted with eggs, and a mouth loaded with tentacles like a Sarlacc from Star Wars? That’s how researchers from the University of British Columbia describe seven such ...

City pigeons have been around since Neanderthals roamed Europe. They served as a valuable food source back then, whereas now they’re decried as a messy nuisance. In fact, some cities have imposed ...

More than 5,000 years ago, a royal woman called Meretneith (also written as Merneith), lived in ancient Egypt. She was possibly the daughter of Djer, the third king of the First Dynasty, a period when ...