First contact seven missions that gave us our first real look at alien worlds

Earth exists in a bubble. Our atmosphere forms a protective barrier between everything on the planet’s surface and the near-empty vastness of space. But it’s not the only bubble Earth sits inside. Bey

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

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

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.

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

A mosaic image of Enceladus created from data ...