Buried "megaripples" — some the size of five-story buildings — are helping scientists piece together the devastation following the impact that wiped out the nonavian dinosaurs.

Ian Walker loves exploring niche communities and researching the development of classic video games. A couple of years ago, we covered a really well-made video that documented Pokémon as if they ...

Figuring out how helium-3 got incorporated into the core during Earth's formation is very important for understanding when the planet formed, Olson said. Light gases like helium hung around in the ...