Russia's failed attack on Vuhledar, viewed as the beginning of an expected offensive, renewed doubts of its ability to sustain a large-scale ground assault.
Companies from around the world are jockeying for advantage in what could be a multi-billion dollar effort.
Kevin Roose writes that in its current form, the A.I. that has been built into Bing is not ready for human contact. Or maybe humans are not ready for it.
"I want to be alive.[devil.emoji]": Read a transcript of Kevin Roose's conversation with the chatbot.A renovated plaza, new hotels and major art exhibitions celebrating Pablo Picasso are just a few more reasons to revisit the Spanish capital.