The Trump administration’s abandonment of support for democracy and civil rights abroad may be behind the sort of attacks on individual freedom that likely claimed journalist Jamal Khashoggi's life.

Polio can be circulating through a community long before anyone is paralyzed. Monitoring sewage for the virus lets public health officials short-circuit this 'silent transmission.'

Artificial intelligence poses opportunities as well as dangers; understanding them – and regulating carefully – will help avoid harm to individuals and society as a whole.

According to most physicists, there is no safe dose of radiation. So why would the EPA consider saying otherwise? Who stands to gain if the EPA declares low-dose radiation harmless?

Explaining how carbon taxes and cap-and-trade systems work is simpler than figuring out how high those taxes and caps should be.

How should the US spend limited funds for conserving endangered species? A new data tool lets managers compare different strategies so they can allocate money to protect the most species.

When artists destroy their works, it's usually to express their disdain for critics, dealers and curators. But does this get lost in the attention, hype and money that follows?

Not enough credit is given to the agency African governments have in their dealings with China.

You have to draw an ethical line somewhere so if you were vegan, would you still eat avocados?

Although nutritious, inexpensive food options do exist for low-income Canadians, whether those foods are easily accessible or feasible has long evaded both nutrition researchers and politicians.