Solar system

The conquest of space was preceded by the conquest of air, when we began to understand the physiological effects of zero pressure or reduced pressure on the human body. Without a surrounding atmosphere at adequate pressure with the proper composition, a human being dies in a matter of minutes.

A great many things have happened in the history of the universe, from the first millionths of a second to the billions of years that followed.

It's almost impossible to fall into the Sun, and not only that, it's considerably more difficult than getting to Pluto or leaving the solar system altogether.

They are the first visible-light images of the surface of Earth's 'evil twin'.

A study suggests that half of the water on Earth was formed before the Sun was born.

The Moon we see every night is not the same size as the one our ancestors saw. It seemed bigger because it was closer to Earth. There will come a time when he will leave us forever.

The most striking thing is that scientists have discovered that this storm took place during one of the calmest phases of the Sun...

The most striking thing is that scientists have discovered that this storm took place during one of the calmest phases of the Sun...