After weaning (around 6–12 weeks of age), kittens stop producing the enzyme lactase, required to digest lactose in milk. For ...

A gently lobbed baseball is easy to see. The same ball, however, can seem to vanish from the hand of a skilled pitcher, ...

Sitting might be a comfortable and convenient way to spend much of your day, but a new study of older adults suggests it can ...

South American mummies have become known for their impressive tattoos, but an analysis has found the design inked into the ...

Being pregnant in the Viking Age was surely no picnic, but this experience has been largely ignored, in part because there ...

Yellow fever is a dangerous mosquito-borne virus that, for hundreds of years, has caused sporadic, deadly outbreaks in the ...

Rising seas will severely test humanity's resilience in the second half of the 21st century and beyond, even if nations defy ...

A 115-year-old Surrey woman named Ethel Caterham has officially been handed the title of the oldest living human alive.

It was big news years ago when Mars orbiters found streaks of what appeared to be water running down Martian cliffs and ...

A spray of perfume or a swipe of lotion could mess with highly reactive chemicals clouding your body, according to new research, leading to unknown health effects.

The mystery of galaxies in the early Universe just got even weirder. A team of astronomers has identified a giant spiral galaxy so well-formed that it already has a stable galactic bar; a long, ...

Taurine is an amino acid occurring naturally in the body, and found in energy drinks as well as foods like fish and meat – ...