To see how the world wastes time ... er, explores cultural phenomena ... check out some of the top videos by country from YouTube Rewind's rankings for 2017.
After trading bellicose barbs with North Korea throughout 2017, the U.S. heads into 2018 with an increasingly capable foe and no clear diplomatic exit ramps to temper the tensions.
Studies show some promising results for new approaches to opioid addiction, but some insurers won't pay for alternative treatments like classes on pain management.
"We know that some of you feel Apple has let you down. We apologize," the company said in announcing a plan to help customers speed up their older iPhones.
Some of President Trump's most ambitious immigration policies have been blocked by the courts or stymied by Congress. Here are five immigration stories to watch in 2018.
The fire broke out in a five-story apartment building near the Bronx Zoo. The boy's mother left her door open when fleeing the blaze — likely helping it to spread, New York officials say.