extinctions

800 Million Years Ago, it Was Raining Asteroids on the Earth and Moon

Natural processes here on Earth continually re-shape the planet's surface. Craters from ancient asteroid strikes are erased in a short…

4 years ago

Is Jupiter Our Friend Or Enemy?

Like me, you’re probably a little ego-geocentric about the importance of Earth. It’s where you were born, it’s where you…

8 years ago