Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting ...

The surface of Venus is dry and rocky with lava ... Jupiter is so huge that it is twice as massive as all the other planets in the Solar System put together. Jupiter's stripy appearance is caused ...

For the first time, scientists have developed a 3D map of an atmosphere belonging to a planet outside our solar system.

We know more about the surfaces of other planets than we do about what's inside our own. No drill has ever penetrated Earth's crust, which averages 25 miles thick beneath the continents. So, virtually ...

They're the only two other very Earth-like planets in our solar system, meaning they orbit close to the sun, they have rocky surfaces and thin atmospheres. Due to these similarities, the study of ...

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 monikers. Every other solar system ...

Being the planet closest to the Sun ... The clouds that prevent us from seeing the Venusian surface other than with radar would just as effectively prevent anyone on that surface from looking ...