Bloomberg Wells Fargo & Co. is adding a new tool to make its mobile app easier to use as the bank tries to keep Silicon Valley innovators from stealing more customers. “Pay with Wells Fargo” will be an option on the app’s home screen that lets customers select their most commonly used features, such as the peer-to-peer payment service Zelle, …

Bloomberg NASA is working toward a future when humans will walk on the surface of Mars. But first it’s going to try flying a drone through the air. The Mars Helicopter, a small, self-flying aircraft designed specifically for the Red Planet, will be included in the space agency’s next rover mission in 2020 to beam back a birds-eye view of …

Bloomberg The most talked-about, futuristic product from Google’s developer show isn’t even finished — but it’s already stoking heated debate. At its I/O conference, Alphabet Inc.’s Google previewed Duplex, an experimental service that lets its voice-based digital assistant book appointments on its own. It was part of a slate of features, such as automated writing in emails, where Google touted …