Hundreds of thousands of people held a massive climate change protest in New York City on Sunday, coinciding with the United Nations climate summit. The protest, the People's Climate March, began at Columbus Circle near Central Park and it took hours ...

CAIRO (AP) — Security officials say a homemade bomb has gone off near Egypt's presidential palace in Cairo, wounding three people. They said a police bomb squad was trying to defuse a similar device planted at a garden close to the palace's walls.

WASHINGTON — Chris McDaniel, 41, the flawed paladin of the tea party persuasion who in Mississippi's Republican Senate primary failed to wrest the nomination from the faltering hands of six-term incumbent Thad Cochran, 76, came into politics after a stint ...

Microsoft retires its 12-year-old Windows XP operating system on Tuesday. Here's what to do if you own a computer that uses it: — XP machines will still work, and you can install past security updates. But you won't get new ones to address new security flaws.