The Belgian government has just announced a massive distribution of iodine pills to its citizens who live within 62 miles (100km) around the country’s nuclear facilities. While health authorities say the move is part of the country’s nuclear emergency plan, many citizens think the iodine pill distribution is a pre-emptive anti-nuclear terrorism plan following recent terrorist attacks in Brussels.
Scientists use NASA's ACE spacecraft to understand where cosmic rays come from.
The United States might be sending a "sniffer" jet to the Korean peninsula to investigate whether or not North Korea detonated a hydrogen bomb.
