For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Moon Valley, located within Chile’s Atacama Desert, is one of the most extreme and arid landscapes on the planet. Shaped over ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

Interstellar comet 3I/ATLAS is now barreling away from the sun, never to return to the solar system. There's one more chance ...

Its influence can be seen in storytelling, character dynamics and even the optimism that defines much of modern sci-fi. Star ...