Another earth

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

Speak your mind

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

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

Imagine this: you set up a small telescope in your back garden. On your phone’s screen, you tap on the Orion Nebula. Seconds later, the scope slews to it, focuses and begins revealing the colourful sw

When we imagine planets, we usually picture them circling a fiery star like our Sun. But new evidence has now been found of a type of planetary system that instead forms around cold planets that float