About 96% of the universe is made up of dark matter and dark energy, which are undetectable to humans. Scientists believe ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

As Sir David Attenborough turns 100, here are 13 surprising facts about the beloved broadcaster and environmental advocate whose voice has shaped how generations see the natural world.

Science is full of weird and wacky things. From the way our bodies work to the way that light moves through space, there's a lot that can surprise and intrigue us. Now, a bunch of users on Reddit have ...

Discover 25 facts too weird to be in a textbook! From glass brains to skinless sharks, these bizarre scientific and ...

The natural world rarely behaves the way we expect. Physics bends intuition. Biology ignores neat categories. Space refuses to be reasonable. Some facts sound like they were invented for a science ...