PAUL BYRNE: Where everything's frozen over, we see volcanic eruptions blasting out into space, and that's a real ... solar system? And what might Earth's volcanoes tell us about the possibilities ...

However, new research into life in the Earth's cloud systems has lead researchers to speculate about the thick, rolling clouds of Venus and whether they could harbour micro-organisms.

Humans have been trying to find alien life for a century or longer ... journey which will take it 1.8 billion miles through our solar system, to the biggest planet Jupiter where it will study ...

it's hard to believe it's real. How did a moon 2.8 billion miles from the sun become so active? A clue lies with how the planets and moons move around each other in the solar system. CARLY HOWETT ...

Astronomers think the Sun is about 4.6 billion years old and it is about half way through its life. Every object in our Solar System is held in place by the Sun’s gravitational pull. The planets ...