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

Amazing answers to your curious questions

You’re already familiar with QR codes as a quick and easy way to access a web link. All right, it can be fiddly to dig your phone out of your pocket, bring up the camera and point it at the code. Or,

Speak your mind

Imagine you’re in a woodland, with sunlight filtering through the endless green canopy overhead. There’s uniqueness everywhere. Some trees grow bolt upright, but others are wizened and twisted. Here t

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