A U.S. government-led group is working with chipmaker Intel and Cray to develop and build the nation’s fastest computer by 2021 for conducting nuclear weapons and other research, officials said Monday. The Department of Energy and the Argonne National Laboratory near Chicago said …

Facebook’s effort to establish a service that provides its users with local news and information is being hindered by the lack of outlets where the company’s technicians can find original reporting. The service, launched last year, is currently available in …

Japan’s space agency said Monday that its Hayabusa2 spacecraft will follow up last month’s touchdown on a distant asteroid with another risky mission — to drop an explosive to make a crater and collect underground samples to get possible clues …