Planet Earth

Planet Earth is the birthplace of humanity, the cradle of human civilization, and the only known planet in our Solar System that is capable of sustaining life.

Beyond “Fermi’s Paradox” I: A Lunchtime Conversation- Enrico Fermi and Extraterrestrial Intelligence

Welcome back to our Fermi Paradox series, where we take a look at possible resolutions to Enrico Fermi’s famous question, “Where Is Everybody?” Today, we examine the lunchtime conversation that started it all! It’s become a kind of legend, like Newton and the apple or George Washington and the cherry tree. One day in 1950, …

No, a Dinosaur Skull Hasn’t Been Found on Mars: Why We See Familiar Looking Objects on the Red Planet

What is up with the fossils on Mars? Found – a dinosaur skull on Mars? Discovered – a rat, squirrel or gerbil on Mars? In background of images from Curiosity, vertebrae from some extinct Martian species? And the human skull, half buried in photos from Opportunity Rover. All the images are made of stone from …