Paleontologists discovered Duonychus tsogtbaatari from fossils uncovered in 2012. It was a giant, feathered creature adapted ...

Now, more than 122 years after it was first proposed, Kamata and two other mathematicians have finally proved that a solution with fewer pieces is impossible. Their result was posted to the server ...

Parallel World — one of the most grueling drytooling routes a climber could tackle. Few attempt the D15+/D16 route, and an even fewer number are successful. Loc ...