First, no one is sure why we, or any other animal, dream. During the past century, however, scientists have made significant progress in understanding the factors that influence sleep and dreaming.

Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

National Geographic estimates there are between 50 billion and 430 billion birds populating the planet, outnumbering humans by up to approximately 50 times. Spread across 9,700 species, according to ...

Tusks are a striking feature of many animals -- elephants, hippos, warthogs, walruses -- and are often sought-after by humans. But no birds, fish or reptiles today sport this extreme and ever-growing ...

From the formation of inner ear bones to the rise of hair to cover our bodies, these developments made us distinct from other animals Riley Black - Science Correspondent By examining the fossils of ...

A new fossil analysis gives hints. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. About 62 million years ago — only 4 million years after an ...

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🛍️ The best Black Friday deals you can shop right now (updating) 🛍️ By Laura Baisas Published Mar 12, 2024 12:00 PM EDT Get the Popular Science daily ...

From its long, flexible trunk to its loud trumpeting sounds, there’s a lot to admire about an elephant. But how much do you know about these massive creatures? Where do they live? How big can they get ...

Throughout the past 500 million years, our planet has experienced a total of five mass extinctions. One of these – the Permo-Triassic mass extinction event – led to the demise of roughly 90% of ...

Boobs are back. Also, they never went away. This is part of Boobs Week—read the whole thing here. Breasts are usually not the first thing we notice on an elephant. You might have never noticed them at ...