For four decades, a quiet boundary in pure mathematics kept a powerful theorem locked inside the safe world of finite quantities. Now a new result known as Sebestyen’s theorem has pushed that boundary ...

Abstract: The super-twisting algorithm is studied for the case when a disturbance whose derivative is L2-norm bounded and violates its presumed Lipschitz bound from time to time. In such interim time ...

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...

Oracle Red Bull Racing and Visa Cash App Racing Bulls unveil their new liveries for the 2026 Formula One season. It's also the launch of a brand new partnership with Red Bull Ford Powertrains.

Karoline Leavitt concluded her first year as the White House press secretary with a new collection of photos reflecting on the final days of 2025. The look back at a bustling holiday season included ...