For example, searching .edu sites or some othertop-level domain (TLD)for info about the Jurassic period.

Typesite:in the search field, without adding a space after it.

Here are some examples:

PressEnterto begin the search.

Google site search results for AI articles on Lifewire

This gives Google permission to list either source.

If you don’t add this to the search, you’ll get zero results.

Although rare, some websites don’t include their own search tool.

It’s easier to do this than to line up all the other TLDs but then exclude .COM.