When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. After a century of observations spanning the breadth of the cosmos and theoretical insights that ...

Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...

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 ...