One of the most important features of extrasolar planets is whether they have an atmosphere or not. For astrobiology in particular, small, rocky planets blanketed with an atmosphere offer the best hop

How will automatons transform our world? We take a look at the latest smart silicon mechanoids, from quirky companions to tireless workers and frontline fighters

A mosaic image of Enceladus created from data ...

We’ve had a few false alarms before – including fossilised microbes and signs of carbon dioxide production in Martian rocks – but NASA has now cautiously suggested it’s found signs that life once exis

On 2 November 2000, a US astronaut and two Russian cosmonauts became the first full-time crew of the International Space Station (ISS). Expedition 1’s Bill Shepherd, Sergei Krikalev and Yuri Gidzenko

H umans love conspiracy theories. From the JFK assassination, the Illuminati and the ‘deep state’, to vaccine distrust and ‘chemtrails’, the modern world is awash with beliefs in collusion and hoaxes.