Study says global warming did more than El Niño to turbocharge Hurricane Polo

Nine former FBI employees sued the bureau, saying they were unlawfully terminated for working on the investigation into President Trump's classified documents case.

Arizona State University announced Thursday that it has reached a "mutual agreement to part ways" with hockey coach Greg Powers, nearly two months after 21-year-old sophomore Matthew Mayich collapsed during a workout and had to be put on life support. "The university and Sun Devil Athletics are grateful for Coach Powers' work to establish ASU as a Division I hockey program and for his service over the past nearly two decades," ASU said in a statement. The school said it has hired Dave Hakstol as head hockey coach. Hakstol had previously been an assistant coach for the Colorado Avalanche in the NHL.

Washington — Federal investigators said Wednesday that they are looking into "suspicious" letters mailed to state election officials and congressional offices, some of which contained unknown substances. The FBI and U.S. Postal Inspection Service are investigating the "suspicious mailings," according to Brendan Donahue, the deputy chief inspector at the USPIS. Donahue told reporters that some letters have contained an unknown substance and that they were sent to "various addresses nationwide," including "secretary of state offices and the related election offices."

NOAA's winter outlook, released Thursday, centered on temperature and precipitation forecasts for the U.S. from December to February. El Niño , a shifting climate pattern dictated by ocean temperatures in the tropical Pacific Ocean, influences weather around the world. Forecasters said it's going to play a significant role in how Americans experience the upcoming winter. Although El Niño is considered the "warmer" phase of the El Niño-Southern Oscillation cycle, opposite the "cooler" La Niña, that doesn't necessarily mean its existence will lead to milder winter weather across the board, experts said.