Though sci-fi movies would have us believe that space is incredibly cold — even freezing — space itself isn't exactly cold. In fact, it doesn't actually have a temperature at all. Temperature is a ...

A fleet of cubesats will act as a radio telescope to map the cosmic Dark Ages, its builders say. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

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 ...