The Goliath birdeater ( Theraphosa blondi) is the world’s largest spider, with a leg span up to 30 cm (12 in). Its hairy, ...

In this video, we count down the top 10 most fascinating facts about the legendary Tiger tank. From its fearsome reputation on the battlefield to surprising engineering challenges and little-known ...

On July 11, the United Nations will mark its annual World Population Day, which aims to raise awareness of global population trends and related issues. Here are five facts about how the world’s ...