Google and Facebook to cut off advertising revenue to fake news sites, after cases of misinformation during the US presidential election.
German data protection authorities said they had blocked Facebook from collecting subscriber data from its subsidiary WhatsApp.
Facebook on Monday began using artificial intelligence to help people with visual impairments enjoy photos posted at the leading social network.
With Facebook co-founder Mark Zuckerberg about to become a dad, the social network boosted the amount of time fathers can take off to bond with their new babies.
Facebook chief Mark Zuckerberg announced that he will take two months paternity leave after his wife gives birth to their first child.
The online social network devoted to making the world more connected began helping couples break up.
A Facebook tool that let people check whether friends were safe after deadly attacks in Paris will be used more widely in the future, the social network said.
Facebook users in France were able to send vanishing missives with its smartphone Messenger application, ramping up the challenge to Snapchat.
A Belgian court gave Facebook 48 hours to stop tracking Internet users who do not have accounts with the US social media giant, or risk fines of up to 250,000 euros ($269,000) a day.
Facebook shares rocketed to an all-time high as investors welcomed solid earnings for the social networking giant, which has seen big gains in advertising and better connections in mobile and video.
Facebook chief executive and founder Mark Zuckerberg said he believes India will be crucial to getting "the next billion online" and helping to alleviate poverty.
Facebook, making a bigger push to deliver personalized information to its members, said it was expanding its mobile alerts to include sports scores, weather updates and local news updates.
Facebook billionaire Mark Zuckerberg and his doctor wife revealed plans to start a private school in a hardscrabble Silicon Valley town, mixing education with health care.
Facebook followed in Google's footsteps and began warning users when it appears they are targeted by state-sponsored cyber attacks.
Facebook said that it will begin testing a shopping tab for its mobile app as it works to ramp up advertising and online commerce offerings.
Facebook will begin testing a new feature allowing users in Ireland and Spain to express a range of emotions on posts -- but there will be no "dislike" button, the social network said.
Facebook and other Internet giants could be barred from sending European citizens' personal information to the US.
Standing side-by-side with Mark Zuckerberg, Indian Prime Minister Narendra Modi made a rock star appearance at Facebook, advocating for the political power of social media.
Facebook, pressed for years by users to add a "dislike" button, announced Tuesday it was working on the feature and will be testing it soon.
Facebook pages moved closer to replacing small business websites, announcing features designed to make it easier for shops to hawk their wares.