Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious mental illness, as well as depression and anxiety.

Many U.S. cities have too many office buildings and not enough homes. Developers are now converting some old offices into apartments and condos, but it's going slowly.

President Trump says he hasn't decided whether to attack Iran. While he weighs his options, a military buildup over the past month means the U.S. now has an expansive presence in the region.

The Supreme Court on Friday struck down President Trump's tariffs. But the justices left a $133 billion question unanswered: ...

In the semifinal, Slovakia had few answers for the American onslaught. Now, the U.S. men will meet Canada for a chance to win ...