Humans are the most populous large mammal on Earth today, and probably in all of geological history. This World Population Day, humans number in the vicinity of 7.5 to 7.6 billion individuals.

Can the Earth support this many people indefinitely? What will happen if we do nothing to manage future population...

This month marks the 50th anniversary of the landmark “Humanae Vitae,” Pope Paul VI’s strict prohibition against artificial contraception, issued in the aftermath of the development of the birth control pill. At the time,...

On July 3, the Trump administration announced it will reverse several policy memos outlining how colleges and universities can use race as a factor in admissions.

The memos aren’t law, but rather Obama-era guidance – issued jointly by the departments of...

Alcohol is the most widely used drug in the world, including in the United States.

About 70 percent of adults in the United States report past-year alcohol consumption, with over 37 million drinkers reporting binge drinking (defined for women as...

When I learned Justice Anthony Kennedy would retire, my thoughts went immediately to the confirmation of the newest justice, Neil Gorsuch.

The Senate’s confirmation of Gorsuch was unprecedented in the history of the country. Never before had a “minority president” named a “minority...

Scott Pruitt’s resignation as EPA administrator caught many by surprise because President Donald Trump had repeatedly supported Pruitt’s efforts to dismantle...

The Trump administration’s tariffs on China have so far targeted mostly industrial goods like aircraft engines and gas compressors. But the administration has also threatened to slap tariffs on US$200 billion in other goods if the dispute continues.

No list of goods has been released, but the list would have to include consumer electronics,...

Since the elections of 2015, Poland has been ruled by the Law and Justice Party (Prawo i Sprawiedliwość, or PiS), a far-right nationalist group that has transformed the country beyond recognition.

Poland had once been...

The executive branch has a fair amount of power to open or close U.S. borders, as the U.S. Supreme Court confirmed in its recent decision to uphold President Donald Trump’s travel ban.

But ultimately, as in most democracies, a country’s leadership needs at least some support from citizens for its decisions. What influences how people...

Across the United States, more people of all ages are identifying as something other than male or female.

According to the Williams Institute at UCLA, which studies sexual orientation and gender identity law and public policy, the percentage...