When faraway stars explode, they send out flashes of energy called gamma-ray bursts that are bright enough that telescopes back on Earth can detect them. Studying these pulses, which can also come from mergers of some exotic astronomical objects such as black holes and neutron stars, can help astronomers like me understand the history of […]
North Korean leader Kim Jong Un wants to enshrine the designation of South Korea as enemy state number one in his country’s constitution. In a speech to parliament in Pyongyang, Kim emphasized that reunification with their southern neighbour is no longer possible, state-controlled media reported on Tuesday. Expressions such as “independence, peaceful reunification and great […]