For toddlers, the risk is in taking a fall. Teenagers need to worry about car accidents, sports injuries and assault. Knowing how risks change can help prevent fatal or disabling brain injuries.
U.S. Treasury Secretary Jack Lew has a message for the leaders of other advanced economies: You have to shape up! The global economy is relying too heavily on just the United States for growth.
The northern U.S. is getting a blast of unseasonably cold weather, thanks to what has been dubbed a "bomb cyclone." The Washington Post's Jason Samenow explains that and other odd weather terms.
The newly elected members of Congress arrived in Washington today to begin orientation for their new jobs.
The editorial page editor of The Washington Post says he will append editor's notes to four columns by Fareed Zakaria, saying the columns failed to credit sources sufficiently.
Six banks, including Citigroup, Bank of America and J.P. Morgan Chase, will pay regulators more than $4 billion to settle charges they manipulated the currency exchange market to boost profits.
NATO's commander says Russian troops, tanks and artillery have been spotted in Ukraine. This could mark an escalation in the conflict between Ukraine's government and pro-Russian separatists there.
Robert Siegel talks with The Philadelphia Inquirer's Peter Dobrin about a dispute between a Philadelphia Museum and the estate of Maurice Sendak, over the late author's rare book collection.
On Wednesday, the Supreme Court took up the question of what kind of political gerrymandering is acceptable and what is not.
The European Space Agency on Wednesday successfully landed a probe on the surface of a comet — something that has never been done before. But scientists say the lander may not be fully secure.
President Obama is visiting Myanmar, also known as Burma, for the second time in two years. He's there to encourage the Southeast Asian nation's efforts to create a functioning democracy.
Scientists say a new deal between the U.S. and China on greenhouse gases is a positive move toward new models for controlling emissions, but that it won't keep the Earth from dangerous levels of warming.
Iran and Israel are sworn enemies, but Germany is neutral ground where people from those countries can collaborate musically. Sistanglia, an Israeli-Iranian ensemble, is doing just that.
The sailors were from the USS Ross, a warship docked nearby. Protesters from a left-leaning group pushed them, placed sacks on their heads and chanted, "Yankee, go home." The sailors escaped unhurt.
Even the White House wasn't sure what to expect when Chinese President Xi Jinping took a rare question from a U.S. reporter during a joint news conference with President Obama in Beijing.
Firefighters had to break a window to rescue the pair after their scaffolding malfunctioned.
An NPR investigation found thousands of American mine owners fail to pay penalties for safety violations, even as they continue to manage dangerous — and sometimes deadly — operations.
Hipsters in Beirut have a problem. Their long, lustrous beards are getting them mistaken for Islamist extremists and drawing unwanted scrutiny from the security forces.
The virus appears to have taken two new victims in the West African country. The government is stepping up its quarantines and contact tracing to prevent an outbreak.
The SmartMat is an intelligent yoga mat that records the user's movements and makes adjustments to improve yoga practice. The creators have a prototype and plan to ship the final product in July.