Land

Titan has a strikingly Earth-like landscape, new research shows, including methane lakes, rivers, eroded canyons, plateaus and sand dunes. Titan is the largest moon of the planet Saturn; so much so that it is larger than our Moon and than Mercury itself.

There is much evidence that our planet is a sphere and not a flat disk. A lunar eclipse is a clear proof

The Gaia hypothesis describes the environment as a stable and self-regulating system, considering the biosphere as a whole almost like a superorganism.

Scientists find a 3.75 billion year old rock containing evidence of ancient microbes.

It is helium-3, a stable isotope of helium gas that allows the formation of stars and planets.

The natural history of the Sahara tells us of a green and prosperous past, and today the remains of that exuberance nourish the largest forest in the world.

English physicist Henry Cavendish was the first to calculate the mass of the Earth back in 1978. How did he calculate it? Which it was the result?

The origin of this myth is in an English doctor of the eighteenth century. Even if he was wrong, there are other structures visible from space.