Pythons are spreading north in Florida, adapting to cold by using burrows. Scientists warn Brevard County is at risk.

Some collectible firearms deserve every dollar they bring. Others ride nostalgia, hype, and bad assumptions, pushing ordinary ...

Some revolvers earn every dollar. Others charge for nostalgia, scarcity, or branding more than real-world performance. Here’s ...

University of Pennsylvania researchers tweaked an AI tutor to tailor the difficulty of practice problems for each student.

Five requirements. Seventy-five days. No breaks and no room for mistakes. That’s the premise of 75 Hard, a challenge created by entrepreneur and author Andy Frisella and marketed as a “transformative ...

Prime Minister Sanae Takaichi warned she’s facing an “extremely difficult” meeting with Donald Trump, after the US president criticized Japan for rebuffing his demand for warships to help secure the ...

Surrounding yourself with difficult people could shorten your lifespan, according to new research. A study published in the journal PNAS found that negative social ties contribute to a faster aging ...

People who make your life more difficult may be aging you faster, according to recent research. In the study, published last month in Proceedings of the National Academy of Sciences, researchers found ...

When I was in law school, people used to say: “If you don’t know who the class jerk is, it’s you.” Actually, they didn’t say “jerk,” but you get the point. And it rang true. It also gave me a quiet ...

Spending time with a difficult person can impact your mood in the moment. But over time, these challenging social interactions might also have a detrimental effect on your physical health, possibly ...

Some kids grow up with a reputation for being strong-willed, dramatic, argumentative, or just plain difficult. They ask a lot of questions, push back on rules, and don’t always make things easy for ...