Life on other planets

What if space agencies have found exo-planets like Earth on other galaxies and have sent out astronauts to explore. Can they reach us from there?

This is who you're voting for. Why are you even voting at all? It changes nought. David Cameron promises to create 'neighbourhood army' Isn't it odd, though, because all nations operate independently and are not run by the same clique of international bankers; what a coincidence it is that stateside, Barry Soetero runs on a platform of Change and goes on to announce an "Obama Youth"...and then we have a repeat of this just 18 months later in Britain! It almost makes you believe that national…

20,041 points

Big discovery! NASA's Spitzer Space Telescope has revealed 7 Earth-sized planets orbiting a tiny star only 40 light-years away. Three of them are firmly in the habitable zone.

The innovative Habitable Worlds Observatory will offer ways to detect signs of life on other planets

We don't know the answer to how many civilizations might exist in the universe. But we do know the factors that allow life on Earth. Are there other planets that fit the bill? Oh yes indeed.

First part of a series looking at proteins. This hub answers the questions 'Why do we Wee?' 'What are Proteins' and examines the central dogma of molecular biology

According to theoretical physicist and super-genius Stephen Hawking, "The human race is just a chemical scum on a moderate-sized planet orbiting round a very average star in the outer suburb of one among a hundred billion galaxies." Indeed, to most modern scientists we are nothing more than an entir...

Illustrator Ellen Weinstein