Animals, plants, fungi, and even bacteria adhere to the 24-hour cycle, also known as a circadian rhythm, 24-hour internal clock, or sleep-wake cycle.
The scientists hope they weren't interrupting a courtship session.
It's a long shot, but immortality never came easy.
Maybe early puberty is to blame.
In German, they'd call us "Spargeltarzan."
The exact cause is still a mystery, though a prime suspect has been named.
Embalming is now considered a dangerous practice.
Animal abusers are much more likely to hurt and kill other humans.
Mayoral candidate says the fungi saved him from heroin.
Was it crocodiles, hominids, or something else that damaged these bones?
Pedicures shouldn't be painful (or dangerous).
Several extinct members of the giraffe family found in Madrid are shockingly weird-looking.
This bulbous-headed animal had to learn to fit in with her sleeker cousins.
Cows perform complex tasks, are social, and have different personalities.
Five enormous neck bones held all the clues.
If you donate your body to science, where does it really end up?