The part of the Universe we can observe appears perfectly flat: this implies, among other things, that going straight ahead ...

The NASA/ESA/CSA James Webb Space Telescope has topped itself once again, delivering on its promise to push the boundaries of the observable universe closer to cosmic dawn with the confirmation of a ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research problem that cuts to the heart of modern physics. Astrophysicists are using ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...

In a galaxy far, far away, there lie clues to the cosmic dawn—the first few hundreds of millions of years in our 13.8-billion-year-old universe’s early history. On Wednesday astronomers on announced ...