A renaissance is happening in the collective understanding of REM — rapid eye movement — sleep, which may yield a day when scientists could shut off nightmares and dreams. Continue reading →

Irving’s new book “Avenue of Mysteries” introduces a mix of vivid characters into a narrative that combines realism and magic, he told the NewsHour’s chief arts and culture correspondent Jeffrey Brown. Continue reading →

Tuesday on the NewsHour, voters cast ballots on issues ranging from pot legalization to Airbnb limits. Also: The company behind the Keystone XL pipeline asks to suspend a review of its plans, a look ahead at the global climate summit, drought-stricken California wrestles with building more dams, teen screen time spikes to nine hours a day and John Irving reveals his creative process. Continue reading →

In our news wrap Tuesday, U.S. officials say images shot from space may offer clues to a Russian airliner’s destruction over Egypt. Also, a Turkish crackdown on alleged followers of a major opposition leader intensified; at least 44 people accused of ties to the Muslim cleric were arrested. Continue reading →

On this Election Day, a handful of states voted to elect state and local leaders and decide a number of ballot measures, from the legalization of marijuana to the expansion of LGBT protections. Judy Woodruff gets a rundown of the contests from Reid Wilson of Morning Consult. Continue reading →

With each new state that legalizes marijuana, the agonizing effort to convince students of the quality of living a drug-free life goes up in smoke, says Jill Doty, a school counselor at Thompson School District in Colorado Continue reading →

What motivated TransCanada to ask that the review of its Keystone XL pipeline be suspended? And how are environmental groups, who oppose the pipeline, reacting to the request? Gwen Ifill learns more about the domestic and international politics in play from Juliet Eilperin of The Washington Post. Continue reading →

Countries from around the world will meet in a few weeks to try to reach agreement on limiting greenhouse gasses. Previous climate summits have been fraught with disagreement. Will the Paris meeting produce results? Jeffrey Brown speaks to UN climate chief Christiana Figueres about what to expect. Continue reading →

Across California, after years of punishing drought, reservoirs that normally fill canals and make crops bloom are greatly depleted or even empty. Some say that getting more water into storage by building more dams is key. But dams also create problems for native fish, and some see them as a waste of money that may not provide sufficient supply. Special correspondent Spencer Michels reports. Continue reading →