There's a lot more to Earth than meets the eye. Far from being just a roundish rock barreling through space, our planet is composed of several layers held together by intense forces of gravity. Our ...

How much do you remember about planet Earth in the news over the last 12 months? Take our quiz to find out! When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

You don’t have to travel far for this one — we’re diving into the incredible planet you’re standing on right now. Earth is the only known world teeming with life, wrapped in oceans, mountains, forests ...

T he moon has captivated human imagination for millennia. As Earth's only natural satellite, it has inspired myths, guided ...

More science quizzes — Mammoth quiz: Test your knowledge of the ice age beasts — Antarctica quiz: Test your knowledge on Earth's frozen continent Sign up for the Live Science daily newsletter now Get ...

Millions of asteroids are floating around in space. Find out what you know about these relics of our solar system. (Jungmin Ryu for The Washington Post) Warning: This ...

Tonight is the launch of NBC's new interactive game show The Million Second Quiz, which, as its title suggest, takes places over the course of a continuous million seconds. That sounds challenging and ...

Some are no bigger than pebbles, while others stretch for miles, silently orbiting the sun in the asteroid belt or zipping ...