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.

Zebra stripes? Leopard print? Neither were in vogue among the earliest mammals during the Age of Dinosaurs. Early mammals and their close relatives probably sported dark, drab coats from snout to tail ...

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 ...

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 ...

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 ...

Luciana Gallo of BIOMAR-CONICET and Marcela Uhart of UC Davis sample for highly pathogenic H5N1 among cormorants (by shore) and terns (in greenery) at Punta Leon in Argentina in November 2023. The ...

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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 ...

They are the most successful mammals that you probably haven’t heard of. Multituberculates were squirrel-like mammals that first evolved in the Jurassic, about 170 million years ago, and survived ...

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 ...