Glaciers are melting 36% faster, losing 314 billion tonnes of ice yearly, threatening freshwater supplies and accelerating ...

Earth is covered in water ... Eventually, once the water level dips past 9,000 meters below sea level, there’s basically nothing left, and the planet is essentially naked.

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth." ...

With a radius of 3,959 miles, Earth is the fifth largest planet in our solar system, and it's the only one known for sure to have liquid water on its surface. Earth is also unique in terms of ...

When Earth first formed, it was too hot to retain ice. This means all the water on our planet must have originated from extraterrestrial sources. Studies of ancient terrestrial rocks suggest ...

Our planet orbits 93 million miles (150,000 km) away from the sun. This puts Earth in a so-called "Goldilocks zone," where the temperature is just right for liquid water to exist on the surface.

A quick guide to Venus, which is so bright, it can be seen from Earth without having to use a telescope. It is an extremely hot planet and, because of its high temperature, has no surface water.

Imagine a healthy planet with healthy humans living on it: the world has embarked on a path to clean energy, clean air and fresh water; we are feeding ourselves without compromising land or sea ...