Beluga whales swimming in a tank at Marineland amusement park in Niagara Falls, Ontario, in 2023.

Ed Martin has used his authority to upend the U.S. attorney’s office in Washington, as well as dismantle and delegitimize the Jan. 6 inquiry.

A humpback whale in the Santa Barbara Channel, off the coast of California, last year.

Nikki Haley speaking in New Hampshire. Her campaign has been relatively frugal, which has kept her in the race against Donald J. Trump longer than any other rivals.

Nikki Haley is the last woman standing in the Republicans’ presidential race, but she faces a tough challenge in toppling Donald J. Trump.

Newport, N.H., last week.

So is the bus.

U.S. Route 3 ends at the Canadian border in Pittsburg, N.H.

Former President Donald J. Trump at a campaign rally in Mason City, Iowa, on Friday. Mr. Trump remains the front-runner for the Republican nomination, even as he faces 91 felony counts across four criminal cases.

At a gathering of conservative Iowa Christians on Friday, Gov. Ron DeSantis of Florida shared a personal story about his wife’s miscarriage.