Snow causing problems for paramedics in Louisville ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Juan López started running at 66. Now in his eighties, he continues to amaze physiologists with his record-breaking feats ...

In a 5-round featherweight championship bout in the main event, Alexander Volkanovski and Diego Lopes meet Saturday at UFC ...

Compare walking and running for heart health, weight control, joints, and mental wellbeing in India to choose the best option ...

Smart leaders know when to seek input and how to use it to make stronger decisions. Here's how founders can bring in outside ...

Polar bears are growing increasingly comfortable around people, and that's a problem. One can see the tension between these ...

NASA's Artemis II is poised for the first lunar mission since 1972—with much more to come.

History will likely remember Jared Polis as a governor who governed smoothly — but left many of the state’s biggest problems ...

Populations of Michigan's only rattlesnake, the eastern massasauga, are showing the negative effects of inbreeding in ...

We tend to expect actually dangerous things to have warnings, labels and perhaps even wavers to sign before they can be ...