ReShonda Young’s Affordable Care Act health insurance helped pay for testing and diagnosis of her breast cancer last year.

A basic premise unites most foreign policy thinking: power begets security. Because no global police force can respond in times of trouble, states must accumulate power to ensure their safety. They ...

Hi, I’m Joe Castaldo, a Globe business reporter with a focus on artificial intelligence. All year, I’ve been talking to ...

A version of this puzzle originally appeared in the October 1960 issue of Scientific American. What’s the Most Distant Galaxy ...

Duah: Using puzzles, both at home and in classrooms, can restore the often-forgotten truth that learning happens in ...

Somewhere at the edge of mathematics lurks a number so large that it breaks the very foundations of our understanding - and ...

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

Choose any game from our collection and tap to begin. Each game comes with its own set of rules, which you can read before starting. New games are added daily, so you can try the latest or revisit ...

If you're bored and don't have much spare cash, you don't need to fear a gaming drought. Steam is loaded with games you can play without spending a dime. What's more, many of them are very good indeed ...

From the early days of gaming, the best open-world games have always been right at home on PC. The leap into full 3D with Grand Theft Auto 3 and The Elder Scrolls III: Morrowind might have brought ...