Trump's embrace of bilateralism in trade relations has pernicious long-term consequences, including ratcheting up the odds of violent conflict.

A new report shows that coral reefs reduce damage from floods across the United States and its trust territories by more than $1.8 billion every year – and pinpoints that value state by state.

North Korea is a major military threat to the US and its Asian allies, but exactly how powerful are its nuclear weapons? An earth scientist explains why it's hard to answer this question.

Ramadan is one of the five pillars of Islam – acts that denote the obligations of living a good Muslim life.

Humans have natural cycles for when they are active and for when they sleep. Modern work and school schedules interfere with this, and more studies are showing why there's a possible health risk.

How willing are people to accept medical care from a robot or an automated system? It depends on the procedure – and the price.

The elements that make up each column of the periodic table share a set of common traits. Here, a chemist describes group 15 and the crucial role phosphorus, in particular, plays in cancer.

After a civil conflict, within five years the majority of modern peace agreements fail. What is causing these negotiated settlements to fall apart?

The vast desert could potentially produce more than seven times the electricity requirements of Europe, with almost no carbon emissions.

The holy month of Ramadan begins on Sunday night. This can present a challenge for Muslim people with type 2 diabetes who want to fast but can't necessarily do so safely.