13
The breakthrough could offer up a new way to help curb the level of global carbon dioxide emissions.
15
An ambitious new plan could see carbon dioxide being sucked out of the atmosphere and turned in to fuel.
2
An extinction event known as the 'Great Dying' wiped out most of the life on Earth 251 million years ago.
4
Despite its hellish conditions, Venus may have once had its own version of Earth's oceans.
8
Researchers believe that alien life forms may be able to survive on 'supercritical' carbon dioxide.