Discoveries of exoplanets ArXiv publishes research that a gas giant may be orbiting a brown dwarf. The exoplanet, designated OGLE-2017-BLG-1522Lb, orbits its host at a distance of 0.59 AU and could be the first known gas giant to have formed inside the protoplanetary disk of a brown dwarf.
Egyptian presidential election, 2018 The Egyptian electorate vote in their presidential election, with incumbent President Abdel-Fattah el-Sissi facing only one opponent.
Carcassonne and Trèbes attack In regards to the March 23 attack that killed four people, French state prosecutor François Molins charges attacker Radouane Lakdim's 18-year-old girlfriend with terrorist conspiracy.
Carbanak Spanish police in Alicante arrest the suspected leader of a bank hacking scheme believed to have stolen over €1 billion.
Crime in France French police detain two men in connection with the murder of an 85-year-old Holocaust survivor who was found in the burned remains of her apartment. The prosecutor's office is investigating if the killing was "motivated by the real or supposed adherence to a religion".
United States Senate A letter from 59 US Senators is sent to Polish Prime Minister Mateusz Morawiecki criticising proposed legislation on reparations to Holocaust victims. The Senators say the bill will discriminate against victims and descendants who had emigrated.
European Council European Council President Donald Tusk and European Commission President Jean-Claude Juncker conclude talks with Turkish President Recep Tayyip Erdoğan. The parties say they have been unable to agree on human rights issues but pledge to hold more talks.
Reactions to the poisoning of Sergei and Yulia Skripal U.S. President Donald Trump orders the closure of the Russian consulate in Seattle.
Northern California A same-sex couple and three of their adopted children have been found dead at the bottom of a cliff at the coast of northern California, along with the wreckage of their SUV. After further investigation, authorities eventually deduced that it was very likely that the couple, which was previously known to have abused their children, intentionally drove off the cliff with them.
History of autonomous cars The governor of Arizona suspends all statewide-testing of Uber autonomous cars following the March 19 fatal accident involving Uber self-driving car research.
2017–18 Volvo Ocean Race A British yachtsman falls overboard from "Sun Hung Kai-Scallywag". A search and rescue operation launches, with one ship diverting from over 400 nautical miles away.
2018 New York City Eurocopter AS350 crash The US National Transportation Safety Board releases a preliminary investigative report containing new information on the accident, in which five passengers drowned when they were trapped in the wreckage.
2018 Kemerovo fire Witnesses and Russia's Investigative Committee say the Winter Cherry complex's exits were blocked and there were no alarms during the disaster.
China China launches an oil futures market, with contracts denominated in yuan, in a bid to compete with oil benchmarks from the United States and Europe.
United States Following a collapse of a farm and a large release of Atlantic salmon into the Pacific, the state of Washington bans the farming of Atlantic salmon in their territorial waters.
U.S. firearms and ammunition manufacturer Remington Arms files for chapter 11 bankruptcy protection after amassing US$950 million worth of debt.
Terrorism in the United Kingdom Six alleged members of the banned neo-Nazi group National Action appear in court. One is accused of planning to kill MP Rosie Cooper and another is charged with inciting murder.