It can't be the atmosphere, or dust, or water droplets. So what makes the sky blue?

Water temperature is a major element of quality control in making coffee. Why exactly is temperature important?

Rattlesnakes modulate their rattling frequency to trick other animals into thinking the distance between them is shorter than it really is.

Proboscis monkeys from Borneo and cows do have something in common: they both chew their cuds.

The Atacama Desert in Northern Chile is the driest desert on Earth. The only life there is microbial, and researchers study it to get an idea of what we might find on Mars.

One study proposes that this “sort of a man” described as “shortish, and oldish, and brownish and mossy” could have been inspired by the patas monkey.

Paleontologists constantly search for new species of fossilized creatures from the distant past to expand our understanding of the history of life on Earth.

Mosquitoes always seem to find us, no matter how hard we try to get away. How do they do it?

The next time you're driving during a rain shower, glance back at the rear window. You'll notice that while raindrops batter the front windshield, they seem to avoid the back window as long as the...

Megachile pluto, commonly called “Wallace’s giant bee” is the world’s largest bee. And perhaps its most elusive.

Do you prefer the jolt of coffee or a more gentle start to your day with tea?

Situs inversus totalis means that all the organs, blood vessels, and nerves in the chest and abdomen are flipped to the opposite side.

Normally you’d just see waves coming in parallel to the shore. But what if there were also waves moving perpendicular to the shore?

A grave in Cyprus from 7500 BC shows a furry feline and human owner buried together. It’s the oldest known site of a tame cat.

How did dinosaurs keep themselves cool?

Did you know it’s possible to have a gene mutation that really does make bumping into furniture or even getting surgery totally painless?

What makes walking uphill so much harder?

Have you ever wondered why giraffes have such long necks?

Scientists think that as many as a billion people around the world could be newly exposed to the diseases spread by mosquitoes within the next fifty years as global temperatures rise.

This small species lives throughout southern China, from high eastern Tibetan mountains to low coastal mountains, preferring forests and shrubby habitats. And its most interesting feature is its...