Mr. Roof, who killed nine black worshipers at a Charleston, S.C., church, will represent himself in the penalty phase of his trial starting Tuesday.

In five minutes you can have much faster internet access by changing the Domain Name System (DNS) server setting on your router or computer. Learn how.

Think you’re too busy to work out? We have the workout for you. In minutes, high-intensity interval training (H.I.I.T.) will have you sweating, breathing hard and maximizing the health benefits of exercise without the time commitment. Best of all, it’s scientifically proven to work.

Exercise caused mice to pump out B.D.N.F., a protein that scientists sometimes refer to as “Miracle-Gro” for the brain.

Use any of these free software updaters to help you find updates to your outdated software. Here are reviews of the 9 best, updated December 2016.

Vienna is wowed by a Cinderella opera composed by 11-year-old British girl Alma Deutscher.

Amazon has filed a patent for massive flying warehouses equipped with fleets of drones that deliver goods to key locations.

What if the Secretary of State gave a policy speech and no one cared? Because Secretary Kerry's speech came after its abstention on the Security Council vote, few in Israel will pay any attention to anything he said. Had the speech came before the

A list of common PC problems and how to fix them. Many possible PC problems exist but these are a few of the common issues you might see.

Ed Whitlock remains at the forefront among older athletes who have led scientists to reassess the possibilities of aging and performance.