When visitors want to take an evening stroll, they walk along the canal of Puerto Madero, where dazzling city lights illuminate the port. During the day, exercise enthusiasts head to its parks ...

Argentina's state-run oil company YPF announced Tuesday that it would be opening an operations center in its tower in the exclusive Puerto Madero district in Buenos Aires to run Vaca Muerta.

The message seemed designed to reach Washington as one administration prepares to hand the baton to the next: If the United ...