We show how this "cosmic clock" uncovers the evolution of rivers, coasts and habitats.

From mad scientists to alien tyrants, these recurring Superman enemies have helped shape what it means to be a supervillain.

The DCU isn't exactly known for standout TV shows, but this one that aired on Syfy in 2018 was a rare exception that deserved to be developed further.

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no diamond in the sky. That looks like a supernova. As much as we love to blow ...