It happened again.

This time a gunman chose Orlando, a city generally associated with families having fun, to open fire on a crowd of people out dancing.

Omar Mateen, 29, a U.S. native, killed 49 people and injured another 53 at the Pulse nightclub. He was killed by authorities at the scene.

In some ways, this attack was unique. It was the largest...

Editor’s note: We turned to two public health researchers on gun violence to help us understand the mass shooting at Pulse nightclub in Florida. Sandro Galea is the dean of Boston University’s School of Public Health. Ziming Xuan...

Citizens of the U.S. and the world were deeply shocked and saddened when a gunman shot and killed about 50 patrons at an Orlando nightclub this past weekend.

While the shooter’s primary targets were the people enjoying an evening out, a secondary object of such incidents is typically tourism, with the aim of terrorizing a population so much...

As predicted, the star of the 2016 Tony Awards was “Hamilton,” which took home 11 trophies.

Compared with the 2016 Academy Awards, the 2016 Tony Awards were far more reflective of our multiracial society. Out of 40 acting nominees in plays and musicals, 14 – 35 percent – were people of color. And that didn’t include...

We have a lot of power with China. We can’t continue to allow China to rape our country, and that’s what they’re doing.

– Donald Trump, May 1, Fort Wayne, Indiana

After 20 years, the Chinese government must be used to being bashed by U.S. politicians and Congress for unfair trade practices or, as Trump has declared many times,...

The new comprehensive World Atlas of Artificial Night Sky Brightness has just appeared in Science Advances. Written by a group of distinguished scientists lead by Italian Fabio Falchi, it is a noteworthy accomplishment. The first atlas appeared in 2001, but...

In an age of rapid global population growth, demand for safe, clean water is constantly increasing. In 2010 the United States alone used 355 billion gallons of water per day. Most of the available fresh water on Earth’s surface is found in...

With the appearance of robotic financial advisors, self-driving cars and personal digital assistants come many unresolved problems. We have already experienced market crashes caused by intelligent trading software, accidents caused by self-driving cars and hate speech from...

The history of science is also a history of people resisting new discoveries that conflict with conventional wisdom.

When Galileo promoted Copernicus' theory that the Earth revolves around the sun – counter to church doctrine about the Earth being the...

On June 9, a law allowing patients with terminal illnesses to end their lives with help from a physician came into effect in California, opening conversations about whether human life should be prolonged against the desire to die peacefully and with dignity.

A...