Get the latest Science News and Discoveries

How do we know the fundamental constants are constant? We don't.


None

Get the Android app

Or read this on Space.com

Read more on:

Photo of We Know

We Know

Related news:

News photo

Here’s what we know, and what we don’t, about the damaged Soyuz spacecraft

News photo

A new omicron subvariant is spreading in China. Here's what we know so far.

News photo

Stiff-Person Syndrome Is a Rare, Often Misdiagnosed Condition. Here's What We Know.