Scientists reveal secrets of Earths magnificent desert star dunes Reuters

US warned allies about Russian space, nuclear capabilities, source says - Reuters

As U.S. election jitters hung over this week's meeting of global finance chiefs in Washington, a smiling Vladimir Putin was in the Russian city of Kazan welcoming leaders of countries…

Americans have started rolling up their sleeves for the latest version of the COVID-19 vaccine, but weeks into the rollout some say they are still having difficulty finding appointments for…