Cats were domesticated in North Africa, but spread to Europe only about 2,000 years ago. Earlier reports of “house” cats were ...

A mysterious excess of far-ultraviolet light seen across the Milky Way could come from the annihilation of clumpy dark matter ...

The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.

In the aftermath of slavery, white psychiatrists diagnosed Black people with “religious excitement” and claimed they were ...

Irritability is a normal response to frustrations, but it can sometimes signal an underlying mental health disorder, like ...

A peer-reviewed paper about Chinese startup DeepSeek's models explains their training approach but not how they work through ...

Finding that vampire bats along Peru’s coast carried H5N1 antibodies raises concerns that multiple bat species could become ...

A mosquito proboscis repurposed as a 3-D printing nozzle can print filaments around 20 micrometers wide, half the width of a ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

Archaeologists found flint, iron pyrite to strike it and sediments where a fire was probably built several times at an ...

Tantalizing results from small trials and anecdotes raised hopes that drugs like Ozempic could help. Despite setbacks, ...

A compilation of 100 examples of biological tilings shows how repeated natural motifs enhance strength, flexibility and other ...