Prof Joanna Haigh from Imperial College London explains why this gas has played a crucial role in shaping the Earth's climate. Carbon dioxide (CO2) has been present in the atmosphere since the ...

explore the history of life on Earth as we know it today, from the earliest bacteria to the first modern humans. To launch the interactive, click on the image at left.—Lexi Krock ...

The table below sets out the time-scale of some of the major events in Earth history and developments in science and technology. It shows something of the parallel development of human ...

Three couples. Four trips. A lot to unpack.