If you use the omnibar (since it's now allowed to be used for entering search criteria for your chosen default search engine, it's no longer the web address edit box) to enter criteria for a search, hitting "ALT+Enter" will cause those results to be opened in a separate tab.
If you just hit Enter they will open in the current tab, knocking out whatever you were already looking at in that tab.
By the way, this is also true in Firefox as well.
Brian - Windows 10 Home, 64-Bit, Version 1803, Build 17134
After all, a democracy based solely on the values of the majority, with no overriding ethical principles and processes, is nothing more than clubhouse democracy, great for those on the inside and a tyranny for those who fail to see eye to eye with the majority.
~ Paul Noeldner, May 16, 2007