Images of a man getting pepper-sprayed at close range while being held down by Border Patrol agents fueled more tension in Minneapolis.

Bad weather ​delayed expedition scientists’​ ​efforts to set up camp on Thwaites Glacier ​in Antarctica ​and take measurements ​to determine how quickly it is melting. After the skies cleared, our journalists​, Raymond Zhong and Chang W. Lee​, took us along for their first steps on Thwaites.

The U.S. Southern Command said it had asked the Coast Guard to search for one survivor.

Even a little ice can be far more dangerous than snow in some places.

The police in Brookfield, Ill., filed a battery charge against a federal agent, who was off duty when he scuffled with an immigrant rights activist.

The resignation of the agent, Tracee Mergen, was only the latest shock wave to have emerged from the Justice Department’s handling of the shooting of Renee Good.

In the unforgiving polar wilderness, scientists go to great lengths to safeguard the devices that gather precious data.