Engineering

Pentagon debuts its new stealth bomber, the B-21 Raider

America's newest nuclear stealth bomber is making its public debut after years of secret development and as part of the Pentagon's answer to rising concerns over a future conflict with China.

Business

Airbnb says it will go public in 2020

Airbnb Inc. said Thursday it plans to go public in 2020, a long-awaited move by the home-sharing company that is both loved and reviled for its disruption of the accommodation sector.