Human embryos briefly exhibit traits like tails and gill-like structures, revealing our evolutionary history and deep ...

Researchers used powerful technology to analyse thousands of individual cells at once, considering which genes are active.

Humans' outer ears may have evolved from the gills of prehistoric fish, a new study finds. Gene-editing experiments indicate that cartilage in fish gills migrated into the ear canal millions of ...

Mycoplasmas, including bacteria that cause pneumonia in humans, are generally nonmotile, but Mycoplasma mobile, as the ...

Fish are becoming smaller and we humans are most likely to blame ... One theory was that fish gills were unable to keep up with the fish's oxygen demands in warmer water, which holds less oxygen ...

What is a betta fish? Betta fish—also known as ... which is attached to the gills and functions similarly to a human lung. Although the species is renowned for its stunning appearance, wild ...

Scientists say there is a high chance that key Atlantic Ocean currents will weaken over the coming decades due to climate change — but whether they have already slowed is hotly... Humans' outer ...

In the new study, researchers used powerful technology to analyse thousands of individual cells at once, considering which ...

PREMIUM The cells that form human ear cartilage and fish gill cartilage showed very similar patterns of gene activity, despite coming from entirely different animals. (Getty Images/iStockphoto ...