An MIT study tracked 126,000 stories and found that false ones were 70 percent more likely to be retweeted than ones that were true. Twitter is asking outside experts to help it deal with the problem.

As early as your mid-40s, especially if you're sedentary, your heart muscle can show signs of aging, losing its youthful elasticity and power. But moderately strenuous exercise can change that.

Trump says the steel and aluminum industries are critical for national security purposes. But global supply chains make it tough for the U.S. to go it alone.

The fund was created to help defray the legal costs for women who've been sexually harassed. It's kind of like a matchmaking service that pairs alleged victims with local attorneys.

Despite GOP opposition and fears of a trade war, steep tariffs will be imposed on steel and aluminum from every country — except Canada and Mexico.

In declaring he won't play ball, Sam Nunberg cited what he called the "bankruptcies" the special counsel has caused for other people involved with his investigation.

From a musher mutiny to accusations of doping and sabotage, the Iditarod now draws scrutiny and protests.

For the second week in a row, flu activity declined — but the disease is still widespread and dangerous.

Friends, family and neighbors were aware of the man now accused of killing 17 people. So were two sheriff's departments and the FBI. Despite all the red flags, nothing was done to intervene.

The White House meeting confused and frustrated many Republican lawmakers, who were seeking clear guidance from Trump on a gun bill he would sign that could attract GOP votes in Congress.