Chilean police clash with anti-government demonstrators during a protest in Santiago, Chile, Nov. 12, 2019. Santiago is one of a dozen cities worldwide to see mass unrest in recent months.
AP Photo/Esteban Felix
From Santiago and La Paz to Beirut and Jakarta, many of the cities now gripped by protest share a common problem: They've grown too much, too fast.
Ukrainians don’t agree on how their president should have handled Trump’s request.
Trump's attempt to co-opt Ukraine's precarious position with Russia worsens existing divides inside Ukraine and weakens US influence abroad.
Research shows that school funding impacts student achievement.
Democratic plans to boost school funding are rooted in research that shows more funding really does boost achievement for low-income students.
An image of Islamic State leader Abu Bakr al-Baghdadi, who died on Oct. 26, 2019..
Department of Defense via AP
The Islamic State has appointed yet another 'caliph' after the death of Abu Bakr al-Baghdadi. What is the idea behind the caliphate?
A vial of insulin. Prices for the drug, crucial for those with diabetes, have soared in recent years.
World Diabetes Day provides an opportunity to look at the messaging around Walmart insulin, touted as a solution to soaring insulin prices. Cheaper insulins may not work as well for many people.
Abortion rights advocates wear pink shirts while opponents wear red at a public hearing in Boston.
AP Photo/Steven Senne
The Hyde Amendment bans federal abortion funding for most people.
Darren Spencer at a memorial for his childhood friend Saheed Vassell, a 34-year-old father of a teenage son, fatally shot by police in the Crown Heights neighborhood of Brooklyn, New York, April 5, 2018.
AP Photo/Bebeto Matthews
Police are almost always the first responders in cases of mental health crisis. Too often these encounters turn bad, even deadly. But police were never meant to be in charge of US mental health care.
People rally outside the Supreme Court as oral arguments are heard in the DACA case on Nov. 12.
AP Photo/Jacquelyn Martin
On Nov. 12, the Supreme Court heard arguments on the Trump administration's decision to end the Deferred Action for Childhood Arrivals program.
Trump has broken a lot of norms.
AP Photo/Seth Wenig
Norms are perceptions or beliefs about what we understand the rules for acceptable behavior to be. Trump's impeachment could help restore some of them.
Tallies are displayed as House members vote on a resolution on impeachment procedure on Oct. 31, 2019.
Democrats and Republicans are speaking about impeachment with dramatically different language. The winner of this frame war will succeed in shaping how Americans understand the impeachment inquiry.
UCLA gave $425,000 back to Donald Sterling in 2014 after he disparaged Magic Johnson.
AP Photo/Damian Dovarganes
Colleges and universities should apply the best techniques of research and education to their own decision-making.
Secretary-General Antonio Guterres addresses the Climate Summit in the U.N. General Assembly, Sept. 23, 2019.
AP Photo/Jason DeCrow
President Trump has confirmed that the US will leave the Paris Agreement on climate change on the earliest allowable date: Nov. 4, 2020. Will this hobble efforts to slow global warming?
Astronaut Alan L. Bean, Apollo 12, walks on the Moon’s surface. Commander Charles Conrad Jr. is reflected in Bean’s helmet visor.
Apollo 11 tends to steal the spotlight when it comes to lunar landings. But Apollo 12 was the first mission to make a precise pinpoint landing on the Moon - and without the aid of computers or GPS.
At the dawn of democracy, Plato foresaw an unfortunate end.
From the earliest days of democracy, thinkers have warned that letting the people rule could work out badly.
Eight charities will get the Trump Foundation’s remaining assets.
Dennis Van Tine/MediaPunch/IPX via AP
Under a settlement reached with New York authorities, he must give US$2 million to nonprofits out of his own pocket. And if he wants to start another foundation, Trump must submit to close supervision.
Antietam National Battlefield, Maryland, site of a savage Civil War battle on Sept. 17, 1862.
Protected from development, natural landscapes worldwide are emerging from the violence of war.
A firefighter walks along a containment line while battling a 2018 wildfire in Redding, California.
AP Photo/Marcio Jose Sanchez
Researchers like myself are finding transformative new ways to help planners, leaders and first responders tackle disasters from afar.
Black servicemen from WWII faced limited options and denial as they sought GI benefits after the war.
Although the GI Bill enabled generations of former service members to acquire higher education and enter the middle class, the bill's benefits were distributed in ways that create uneven outcomes.
Vietnam veteran Marvin Nolin of Dover, Tenn., visits the Poppy Wall of Honor on the National Mall in Washington, Friday, May 24, 2019.
Carolyn Kaster/AP Photo
Americans say they love their veterans, but a sad fact has emerged that betrays that profession. Huge vacancies in VA medical centers means that veterans are not getting the health care they need.