Speak your mind

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

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

GLOBAL EYE

TONY STREETER examines how the railways conquered the globe… and continue to do so

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