Add Yahoo as a preferred source to see more of our stories on Google. China's new amphibious assault ship is massive, unusual, and a bit of a mystery. It's a noteworthy addition to the Chinese navy, ...

SpaceX CEO Elon Musk hopes to send humans to live on the moon – and have them build a giant catapult to send AI satellites into orbit more cheaply. Musk was recently revealed to have asked Jeffrey ...

This video documents the professional construction of a massive metal catapult engineered to accelerate objects up to 60 mph.

China's new amphibious assault ship is massive, unusual, and a bit of a mystery. It's a noteworthy addition to the Chinese navy, seemingly capable of fulfilling various purposes and missions. The Type ...