ES6 modules are a new module format designed for all JavaScript environments. While Node.js has had a good module system for its whole existence, browser-side JavaScript has not. That left the browser-side community with either relying on the <script> tag, or using non-standardized solutions. For that matter, traditional Node.js modules were never standardized, outside of the CommonJS effort. Therefore, ES6 modules stand to be a big improvement for the entire JavaScript world, by getting everyone on the same page with a common module format and mechanisms.
The side effect is that the Node.js community needs to start looking at, learning about, and adopting the ES2015 module format.
ES6 modules are referred to by Node.js ...
