For decades, drugmakers have argued that patents are critical to bringing new drugs to the market. But in 2004, when a promising H.I.V. treatment emerged, Gilead Sciences decided to slow-walk…

In New York, the arrival of more than 100,000 migrants seeking asylum over the past year has become a crisis for the city’s shelter system, schools and budget.As another critical…

A Times investigation found that U.S. passenger planes come dangerously close to crashing into each other far more frequently than the public knows.Sydney Ember, an economics reporter for The Times,…

In 1843, Daniel M’Naghten gunned down another man in broad daylight. But when he was taken to trial things got complicated. His defense argued that he shouldn’t be held fully…

A Times investigation revealed that in much of the United States, communities and farms are pumping out groundwater at alarming rates. Aquifers are shrinking nationwide, threatening supplies of drinking water…

A year ago, Congress overhauled the way drugs for older Americans get paid for, by giving Medicare the power to bargain with drug makers over prices in the biggest change…

In the Republican presidential race, the battle for second place has been jolted by the sudden rise of a political newcomer whose popularity has already eclipsed that of far more…

Over the past decade, China has placed more and more restrictions on the lives of its citizens — tightening its hold over what people can do, read and say.When Bei…

Last week, India landed its spacecraft Chandrayaan-3 on the moon, becoming the first country to land such a craft near the south pole, where scientists believe vital reserves of water…

When the body of a man is found in the burned remains of the Roberts home, the family assumes it’s 52-year-old Clarence. But the question surrounding his identity remains for…