Get the latest Science News and Discoveries

A supernova’s delayed reappearance could pin down how fast the universe expands


None

Get the Android app

Or read this on Science News

Read more on:

Photo of S

S

Photo of Universe

Universe

Photo of Supernova

Supernova

Related news:

News photo

Researchers Are Toilet-Training Cows – Here’s Why

News photo

Here's How Much Food Contributes to Climate Change

News photo

'The Matrix Resurrections': Free your mind with the first full trailer of Neo's return