A standoff is heating up between the Trump administration and local leaders who are trying to open facilities where people can use opioids under the eye of medical staff.

More than 40 researchers concluded that climate change would make ecosystems such as deciduous forests, grasslands and Arctic tundra unrecognizable.

Anand Giridharadas spent time with tech entrepreneurs and affluent elites who want to change the world. But in a new book, he writes that their market-based mantras only maintain inequalities.

A new film sees the veteran actor portraying Adolf Eichmann, a Nazi SS officer responsible for transporting millions of Jews to death camps, as he is brought to justice well after World War II.

Harbor seals use sensors in their whiskers to help discern predator from prey. It's all about the way the water whirls, say scientists who are now training computers to be better trackers, too.

The Trump administration's proposed changes for coal plants could keep some of them operating longer. But even those in the industry say it won't stop coal's overall decline.

Scientists are exploring how they can combat the spread of the toxic algae bloom known as red tide along Florida's southwest coast.

Only about half of University Charter School's 300-plus students are black. That's a rarity in Sumter County, Ala., which, like many school systems, has struggled to achieve integration.

In the '80s, the Soviet Union and allies participated in a widespread disinformation campaign: disseminating the theory that the AIDS virus had been manufactured by the United States.

In this special, we get to know 13 people who are nominated for their work on the small screen this past year.