A universe of organisms living inside you may affect every part of your body, from your brain to your bones, and even your thoughts, feelings and your attempts to lose weight.

This is a universe of trillions of microorganisms – or what we biologists call microbi...

On June 5 four Arab states – Saudi Arabia, the United Arab Emirates, Bahrain and Egypt – declared a soft war on Qatar. They had a long list of demands, ordering Qatar to weaken ties with Iran, expel Turkish military forces from the country and take other steps that would reduce Qatar’s influence in the region. They also demanded...

The Supreme Court recently decided that Trinity Lutheran Church should be eligible for a Missouri state grant covering the cost of recycled playground surfaces. Though the state originally rejected the...

North Korea’s successful test of an intercontinental ballistic missile (ICBM), allegedly with the capability to hit Alaska, is the latest in a series of significant advances for the country’s missile program.

North Korea has been seeking to develop long-range missile technology for over 20 years. For much of this period, the...

It emerged early this morning: a few seconds of grainy footage showing U.S. President Donald Trump shaking hands with Russian President Vladimir Putin at the G-20 summit in Hamburg, Germany.

Trump, the taller man, stoops to meet Putin on...

Each year, in the final few hours of the last day of December, many people all across North America gather with friends to raise a glass and sing Robert Burns’ famous ballad,...

The Colorado River, one of the longest rivers in the United States, is gradually shrinking. This is partly a result of overuse by municipalities and seasonal drought. The other reason is global warming.

The decline in the river reservoir will have...

I vividly recall my first encounter with Andrew Wyeth’s art when I was 14 years old, in the dingy galleries of Harvard’s Fogg Art Museum.

While giants like Picasso painted a world of artistic contrivance, Wyeth seemed to directly...

In June, the Senate tried to block a US$500 million arms sales to Saudi Arabia.

Saudi intervention in Yemen’s civil war has produced high numbers of civilian casualties, human rights abuses and a humanitarian crisis. The White House’s decision to sell arms to the Saudis is just one indication that the Trump administration may be...

As Donald Trump began speaking in Warsaw at noon on July 6, I was sitting in my apartment a few blocks away.

Police helicopters kept buzzing past my building, and nearly all the main streets were blocked off. A government-sponsored “picnic” was being staged in a field near the National Stadium to celebrate Trump’s visit, and...