Most likely, this is the best-known picture of a flag ever taken: Buzz Aldrin standing next to the first U.S. flag planted on the Moon. For those who knew their world history, it...

The Endangered Species Act, or “the Act,” is arguably the most important law in the United States for conserving biodiversity and arresting the extinction of species.

Congress passed the ESA in 1973 with strong bipartisan support (the House voted 355-4 in favor of the law) at the behest...

The overdose-reversing drug naloxone saves thousands of lives each year and...

On July 12, President Trump’s Council of Economic Advisers concluded that America’s long-running war on poverty “is largely over and a success.”

I am a researcher who has studied poverty for nearly 20 years in Cleveland, a city...

Central American migrants have long been at the center of what consecutive U.S. administrations have called the immigration “crisis.”

Each year, thousands of Central...

The Amazon and the adjacent Andean slopes in South America host an astonishing richness of plants and animals. These species have been sources of food, shelter and medicine since the arrival of humans and a target of scientific curiosity since the days of the earliest European naturalist explorers.

Wh...

Al mismo tiempo que crece el sentimiento antimigrante en varios lugares desde Alemania hasta Estados Unidos, varias ciudades hallan maneras para hacer que los inmigrantes se sientan como en casa.

Durante más de una década, he realizado cientos de entrevistas en Nueva York, París y Barcelona para comprender cómo cada...

When Russian leader Vladimir Putin addressed the media in Helsinki alongside President Donald Trump, he proposed that their countries “work together” to make oil and gas markets calmer.

Trump didn’t say whether he supported the idea but he repeated his frequent...

The sprawling U.S. health care industry has trouble managing patient information: Every doctor, medical office, hospital, pharmacy, therapist and insurance company needs different pieces of data to properly care for patients. These records are scattered...

Last October, Stephen Paddock unleashed a barrage of automatic gunfire from a 32nd-floor hotel room overlooking a large crowd of concertgoers attending a country music festival in Las Vegas. With a body count of 59 dead and another 500 wounded,...