On Facebook.com, hover the mouse over the Like icon. A pop-up box of reactions appears above it. In the mobile app, long press the Like icon to trigger the reactions to pop up. To see a breakdown of ...

Emily Calandrelli, the Netflix and YouTube host and MIT engineer known as the "Space Gal," was overwhelmed with tears as she witnessed Earth from space on a recent Blue Origin flight — and she's not ...

This article explains how to use reactions on the Facebook website and mobile app. How to Use Reactions on Facebook.com Here's how to apply a reaction to a post: Pick a post that you want to react to.