The trip to Capitol Hill comes as a leak of Facebook documents stirs concerns about social media's effect on children.
The social network reported its third-quarter earnings on the day that more stories surfaced about leaked internal documents.
A trove of leaked company documents supports ongoing criticism and mistrust of Facebook.
The new date is March 31.
A trove of internal documents released to the SEC and Congress shines a light on Facebook. Here are the collective news reports on the docs.
The retailer will roll out "unbeatable deals" and "early-access specials" each week, starting Nov. 3.
This sixth-generation Pixel phone shows that Google wants to make phones that people will actually buy.
Several major news outlets publish reports focused on the social network's struggle to contain dangerous content.
In today's top stories, Facebook is facing greater scrutiny regarding viral content, woolly mammoth research indicates climate change caused their extinction and Ryan Gosling is in talks to play Barbie's Ken.
Leaked company documents are providing more insight into how Facebook moderates political content.
In this week's top stories, the remake of the sci-fi classic Dune simultaneously debuts in theaters and streams online. Also, Apple and Google announce significant upgrades to their popular hardware.
In August, Apple settled a class action lawsuit with some developers, despite continuing to battle Fortnite maker Epic Games.