Little progress had been made in solving Ramsey problems since the 1930s. Now, researchers have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.

Five steps to ensure that you don’t jump to solutions by Julia Binder and Michael D. Watkins When business leaders confront complex problems, there’s a powerful impulse to dive right into “solving” ...

In his new term, Donald Trump intends to send more responsibility for some issues — notably education and health — back to states. On the other hand, the federal government, after a period of extreme ...

Two women hug during a remembrance ceremony outside of City Hall on Tuesday, July 4, 2023, in Highland Park, Ill. Taking a tough-on-crime stance, whether on the campaign trail or filing legislation, ...

Heart valve diseases affect how blood flows through the heart muscle. Symptoms of heart valve disease can be subtle or develop slowly over time, with extreme fatigue often being the first sign.

A plank in the mayor’s coming housing plan aims to give a one-time exception for some of the most distressed rent-stabilized landlords. ‘Sex-worker’ rights have become a rallying cry on the cultural ...