HOLIDAYS WEEKENDS

Biologists are keen to understand how a type of flatworm known as a planarian uses powerful stem cells to regenerate an entire body from a headless sliver of itself.

The U.S. Olympic Committee has taken steps to revoke the group’s status as the governing body after the sexual abuse of gymnasts was revealed last year, and three CEOs have resigned.

The request followed the execution of another inmate who chose the electric chair rather than lethal injection. Only three states still allow the use of firing squads as a means of execution.

A handful of residents in a multimillion dollar glass tower are arguing the museum has created a state of “near constant surveillance” since opening a terrace that offers one of London’s best views.

The polls show a Democratic advantage in the House and a Republican one in the Senate. But be ready for anything because surprises in politics always happen.

The children were taken from a Presbyterian school near the northwestern city of Bamenda, which has been the center of a Anglophone separatist movement marked by violence since late 2016.

Joaquín “El Chapo” Guzmán, the man accused of having run the world’s largest drug trafficking organization, was charged in a 17-count indictment that spans decades. Jury selection began Monday.

In addition to causing shortages of food and clean water, fighting has led to the breakdown of Yemen’s medical system. Half of Yemeni children under 5 are chronically malnourished, the U.N. reports.

Keeping control of the House would validate President Trump’s governing style and mean full speed ahead for his agenda. But if the GOP loses its majority it will need to protect Trump.

If Democrats fail to take back the House and make significant gains at the state level, they’ll be shut out just as they were in 2016, with little say in legislation and judicial appointments.

A proposed fee of $15 per ton of carbon emissions in Washington state has several exemptions for large emitters, and has rural voters afraid they’ll end up paying.

This election season, groups that are unable to vote — like youth and undocumented people — are solidifying their impact on America’s democratic process.

Investigators say an airspeed indicator on the brand-new Boeing 737 MAX 8 was experiencing “technical problems” during three flights prior to the fatal crash on Oct. 29.

If a popular app used by many farmers markets to process federal Supplemental Nutrition Assistance Program benefits is no longer offered next spring, consumers’ access to fresh produce may be stalled.

The midterms are seen as a crucial indicator of the direction of the U.S. “If the Republicans do well, then across Europe, people will be thinking Trump is not just a passing phase,” says one analyst.

Registration problems have been in the news a lot lately, but some experts worry that fears about casting a ballot could be overblown and hurt voter confidence.

Exit polls can be confusing and even misleading as the deluge of data pours in. There are smarter ways to know which numbers to look for — and which to be wary of — on election night 2018.

There could be an upside to your phone addiction. Games like Tetris can reduce anxiety, according to new research. So if you’ve got Election Day jitters, go ahead and launch that app.

Iran can either “act like a normal country, or it can see its economy crumble,” U.S. Secretary of State Mike Pompeo said.

Two days before facing Stacey Abrams in the race for governor, Georgia Secretary of State Brian Kemp says his office is investigating the state’s Democratic Party but offered no proof of wrongdoing.

Major Brent Taylor was hailed as a true “citizen soldier,” serving both the community of North Ogden and deploying with the Utah National Guard.

Working memory is where the brain keeps bits of information in everyday life handy. But brain scientists don’t agree on how working memory works.

The assailant, who killed two people and injured five others in a yoga studio in Tallahassee, Fla., on Friday, had a history of grabbing women without their consent.

The practice dates back to the 1920s, when a new cohort of students — many of them Jewish and/or immigrants — were vying for space at American universities.

The Trump administration added a question about U.S. citizenship status that could undermine the quality of 2020 census information. Dozens of states and cities are suing to get the question removed.

NASA’s Charlie Sobeck, former manager of the Kepler Space Telescope mission, discusses the monumental findings of the spacecraft and NASA’s decision to retire it in orbit.

Beyond straw bans, there’s mounting pressure on companies to not use plastic packaging. That’s creating a budding market for alternative products.

The 3,000-year-old relief fetched more than $28 million at Christie’s, more than any other similar work. But some archaeologists worry the high price could trigger looting of other ancient artifacts.

Voters will give the final judgment on Tuesday, determining not just the control of Congress — but also the very future of American politics.

For all the talk of “rigged” elections, cyberthreats, voter suppression and fraud, it’s often poll workers who have the most impact on whether your voting experience goes well.

From teachers running for office to ballot measures that can add billions to public education, here’s our guide to how the issue is playing out.

As the Squirrel Hill community worked to honor the 11 victims of last week’s attack on a Pittsburgh synagogue, the investigation into the mass shooting complicated traditional Jewish preparations.