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

The universe is a place of unimaginable beauty and wonder—shimmering galaxies that dance across the cosmic stage, nebulae painted in colors that defy earthly imagination, and stars that burn with the ...

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 ...

Explore the chilling truths of the universe in our video "25 SCARY But True Space Facts." From the Big Rip to moon dust dangers, each revelation will leave you amazed. WATCH OUR OTHER VIDEOS: 25 Space ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Earth is the planet we have the best opportunity to understand in detail—helping us see how other rocky planets behave, even ...