High mountain environments in South America, which in many locations encompass peaks that reach 21,000 feet (6,500 meters) or more in altitude, are home to some of the most spectacular glaciers on our...

As world leaders negotiate rules for cutting greenhouse gas emissions at the COP24 meeting in Poland, U.S. cities have a vested interest in the outcome. About 85 percent of Americans live in cities, and urban areas produce some 80 percent of our nation’s greenhouse gas emissions....

The retired candy entrepreneur Robert Welch founded the John Birch Society 60 years ago to push back against what he perceived as a growing American welfare state modeled on communism and the federal government’s push to desegregate America.

Although Welch’s group has...

What the internet looks like to users in the U.S. can be quite different from the online experience of people in other countries. Some of those variations are due to government censorship of online services, which is a significant threat to...

Many Americans hold beliefs about the flu vaccine that are at odds with the best available scientific evidence. For example, a recent study found that more than two-fifths, or 43 percent,...

Is your city prepared for climate change?

The latest National Climate Assessmentpaints a grim future if U.S. cities and states don’t take serious action to reduce greenhouse gas emissions.

The bottom line is that the costs...

Since the beginning of Donald Trump’s presidency, mental health professionals have come forth in historically unprecedented ways to warn against entrusting the U.S. presidency to someone who exhibits what we have called his...

Jair Bolsonaro, el nuevo presidente de Brasil, deberá tomar varias decisiones importantes durante su mandato de cuatro años: cómo enfrentar la violencia, por ejemplo, y estimular una economía estancada.

Estas decisiones tendrán un gran impacto sobre los brasileños, que salieron seriamente divididos...

The 2018 midterm elections have dealt a significant setback to President Trump’s agenda in the legislative arena.

However, there are still many ways for the Trump administration...

Immunotherapy, the Nobel Prize-winning category of cancer therapy that helps your immune cells to fight tumors, has transformed the field of cancer care by improving the long-term survival in patients with various types of cancer, like melanoma and those...