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

We humans are always wondering whether we’re alone in the Universe. But what if we are one of a long line of species that were around long before our planet even existed? This intriguing idea, that li

Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there

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

A mosaic image of Enceladus created from data ...

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