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

Discover 100 Fun Facts That Are Really Fun To Tell! Impress everyone with surprising science, animal oddities, and historical ...

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 ...

Perseverance just landed on Mars, where it will search for signs of life. But space's cool factor doesn't begin or end there!