You can't directly merge YouTube accounts or channels, but you can manually re-upload videos to essentially merge channels.

If the numbers aren’t looking swell on your YouTube channel, it might benefit from a name change. Luckily, YouTube allows you to change your channel name straight from the YouTube app on your mobile ...

YouTube announced features in Studio to help creators optimize content, including improved research, shareable clips, and enhanced playlist analytics. YouTube Studio has a new research tab to help ...

You can make minimal edits to videos in the YouTube Studio, or make more extensive changes in a third-party editing app.