AMP stands for accelerated mobile pages, a Google-backed project designed as an open standard for any publisher to have pages load quickly on mobile devices.

According to the Accelerated Mobile Pages (AMP) Project, “The Accelerated Mobile Pages (AMP) Project is an open source initiative that embodies the vision that publishers can create mobile optimized content once and have it load instantly everywhere

AMP means when you search for a news search term, Google will show you carousel that highlights stories on AMP-enabled websites.