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

While our planet only has one easily visible Moon, several other tiny objects arguably deserve the title too

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

When comet 3I/ATLAS was discovered in July, on a one-way interstellar journey through our Solar System, Harvard astronomer Avi Loeb suggested it might be an alien spacecraft paying us a visit. Back in

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.

PHOTOGRAPHS BY FLORIAN LEDOUX; SELAR Aged 26, Sophie ...