Scientists believe that Joro spiders arrived in the U.S. as stowaways in a shipping container.
Small bodies like asteroids and comets are shaped more by their geological makeup than by gravity, which molds planets and moons into spheres.
COVID-19 seems linked to atrophy in specific brain areas.
The most notorious pirates in history terrorized the high seas from the Caribbean to China. Here are 8 famous pirates from the Golden Age of Piracy.