Aryna Sabalenka after losing the Australian Open final. Phil Walter / Getty Images MELBOURNE, Australia — It’s hard to have a better 16 months in tennis than the past 16 months for Aryna Sabalenka.

Open-set recognition and classification techniques address the challenge of designing systems that are capable not only of discerning between known classes but also of identifying inputs from ...

A troubled private prison in Leavenworth, Kansas, was shut down in 2021. Now, that facility and other prisons closed because of serious problems are set to reopen as migrant detention centers. Zoning ...