The International Space Station has received two cargo deliveries in a record 15 hours. A U.S. commercial shipment arrived Monday, two days after blasting off from Virginia. NASA Astronaut Serena Aunon-Chancellor used the space station's robot arm to grab Northrop Grumman's capsule. It's named after Apollo 16 moonwalker and the first space shuttle commander John Young, who died in January. The station's German commander, Alexander Gerst, tweeted, "Welcome aboard, S.S. John Young!" Ice cream and other fresh food are the first things coming out. On Sunday, a Russian supply ship brought a full load. NASA says it is the quickest...

The mushroom cloud from Ivy Mike rises above the Pacific Ocean over Enewetak Atoll in the Marshall Islands, during the world's first test of a full scale thermonuclear device, on November 1, 1952. The United Nations has introduced a treaty that it believes will lead eventually to the total elimination of nuclear weapons. A recent watchdog report said that the Treaty on the Prohibition of Nuclear Weapons (TPNW) is an historically significant effort that's gaining traction, which highlights the profound power imbalance between the few nuclear powers and many have-nots.  "The rate of adherence to the TPNW is faster than...