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They're activist and advocates from Brazil, Colombia, India, Kenya, Lesotho and the U.S. We wanted to know: How do they stay positive in the face of the world's many problems and woes?

Decades ago, Taiwan set up propaganda broadcast stations on islands right off the coast of mainland China. One of its key tools: women's voices.

Computer scientist Joy Buolamwini warns that facial recognition technology is riddled with the biases of its creators. She is the author of Unmasking AI and founder of the Algorithmic Justice League.

Climate change costs tens of billions of dollars each year, hurts Americans' health and disrupts everyday life, including how we work, eat, play and mourn, according to a major new assessment.

At the GOP debate in Miami, five Republicans sparred over top issues include the Israel-Hamas war, Ukraine, China, abortion and Social Security. Here's what you need to know.

More states than ever are gearing up to vote on abortion rights this fall, including Republican-led Missouri. There, voters could show the issue isn't a down-ballot Democratic dream everywhere.

Bats are able to consume an extraordinary amount of sugar with no ill effects. Scientists are trying to learn more about how bats do it — and whether humans can learn from their sugar response.

This year's Lasker Prize for public service goes to South African researchers Salim and Quarraisha Abdool-Karim. The married couple made a startling discovery about HIV — and did something about it.

Climate change threatens many traditional foods in Alaska. But it’s also making farming more possible. A new training program aims to help Alaska Native communities grow more of their own food.

American Rounds has installed machines at eight stores so far, with hundreds more on the way. It says this is the safest way to sell ammo, but cyber and gun violence prevention experts have concerns.