The New York Times

The unusual sight of aurora borealis was visible across Britain on Friday, including southern parts of the country and London.

Officials warned of potential blackouts or interference with navigation and communication systems this weekend, as well as auroras as far south as Southern California or Texas.

The statement was among the few public remarks he has made since revelations that he had failed to report lavish gifts and travel from wealthy conservatives.

The radio station disciplined Rudolph W. Giuliani after he violated company policy by trying to discuss the legitimacy of the 2020 election on the air.

The National Oceanic and Atmospheric Administration issued a rare warning, saying that solar activity could cause disruptions. But there is no need for concern.

Noelia Voigt’s announcement this week that she was stepping down as Miss USA set off a string of departures and prompted larger questions about the inner workings of the organization.

Ahead of Michael D. Cohen’s testimony Monday, the judge told prosecutors to keep him quiet about Donald J. Trump’s criminal case.

Using advanced computers, he went from M.I.T. professor to multibillionaire. His Medallion fund had 66 percent average annual returns for decades.