President Donald Trump signed an executive order on Tuesday seeking to crack down on mail-in voting — an effort to exert control over the nation’s elections ahead of a midterm battle where Republicans ...

Researchers have discovered a way to dramatically improve how electrical current enters perovskite semiconductors, an emerging class of materials with enormous potential for next-generation ...

More than 20 states are actively reducing or considering cutting back on their funding of programs helping people access HIV medications, as federal funding fails to keep up with the costs, according ...

What are the most pressing global crises in 2026? Each year, the International Rescue Committee’s (IRC) Emergency Watchlist identifies the countries at greatest risk of new or worsening humanitarian ...

One idle evening last October, Mehtaab Sawhney took up an old pastime. He began perusing the website erdosproblems.com, an updated record of the 1,179 conjectures left behind by the eccentric and ...

Five years ago, mathematicians Dawei Chen and Quentin Gendron were trying to untangle a difficult area of algebraic geometry involving differentials, elements of calculus used to measure distance ...

Microsoft’s MSFT1.04%increase; green up pointing triangle Copilot chatbot has become central to its artificial-intelligence strategy as the company’s close partnership with OpenAI diminishes. But the ...

Some users had accused the app of blocking them from posting videos about Immigration and Customs Enforcement. The app said it was a power outage issue. By David McCabe TikTok said on Tuesday that its ...

Building a full-metal glove sounds simple - until physics steps in. This video breaks down the challenges nobody talks about. Weight, heat, and stress turn small design flaws into major problems.

A world-first study will test whether reducing the time teenagers spend on social media really does improve their mental health. But the results aren’t due until mid-2027, by which time further ...

Amateur mathematicians are using artificial intelligence chatbots to solve long-standing problems, in a move that has taken professionals by surprise. While the problems in question aren’t the most ...