World Dec 18

World news quiz: The highs and lows of 2015

In 2015, Syrian refugees continued to flee a bloody civil war, nations unified over climate change and the Internet was divided over the color of a dress. Take the year-end edition of our world news quiz to see how much…

Science Dec 14

Watch 2:36
Paris summit ends with major climate blueprint

Delegates from 195 countries celebrated a landmark climate deal in Paris -- a moment of success after years of failure. The agreement lays out a number of goals and timelines, including keeping the global temperature rise well below 3.6 degrees…

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