Add Yahoo as a preferred source to see more of our stories on Google. Looking at the state of the world today, many leaders may think there’s not much to laugh about. Every day seems to bring more ...

The Tesla chief executive, who is also CEO of rocket company SpaceX, told Twitter staff he wants to raise the service's user numbers from 229 million to at least 1 billion people and said advertising ...

Earlier this year, President Trump directed agencies to begin the process of identifying and releasing files related to alien and extraterrestrial life. The first files were released May 8 at ...