It has long been hypothesised that Earth’s water originated from comets, but new data from the ESA’s Rosetta may indicate otherwise

The world watches as the Philae lander touches down, to try to unlock secrets about Earth’s early history

What parts of our solar system are realistically accessible?

On Friday the shuttle Atlantis will lift off on its final voyage, when it returns it will mean the end of NASA’s iconic space shuttle programme. The shuttle’s retirement also signals the beginning of an uncertain time for human space missions. Funding cuts and plan cancellations mean that there is currently no replacement for NASA’s manned […]