The popularity of semiautomatic rifles increases the risk that mass shootings result in multiple deaths.
AP Photo/Jae C. Hong
The Supreme Court's refusal to block the Sandy Hook lawsuit may lead to a flood of litigation, which ultimately may compel the gun industry to change the way it designs, markets and sells firearms.
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?
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.
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.
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.
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.
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.
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.
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.
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.
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.
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?
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.
The Berlin Wall in October 1988.
East Germans feel alienated and powerless. They see themselves as second-class citizens, while outsiders live high on what is rightfully theirs.
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.
Vice President Mike Pence joins military officers and a chaplain on Aug. 23, 2019 in a prayer for two Army men who died during operations in Afghanistan.
AP Photo/Cliff Owen
When the US entered World War I in 1917, military chaplains catered to majority white and Christian soldiers. Today the armed forces recognize over 200 denominations and religious groups.
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.
Sen. Susan Collins is among the senators who have chosen to stay quiet about impeachment so far.
AP Photo/J. Scott Applewhite
No written law or rule requires the senators to remain silent on the issues. But it's probably a good idea, and a promising sign of fairness.
NBC Berlin correspondent Piers Anderton inside the tunnel during the network’s 1962 escape project.
Special Collections & University Archives, University of Maryland
A media historian uses declassified government documents to show how both sides of the Iron Curtain worked to have the projects canned.
A cyclist in San Bernadino National Forest, where e-bikes were previously banned.
The Trump administration has moved to allow electric bikes on all federally owned trails where normal bikes are allowed. A public lands scholar weighs in on the issues this could cause.
A looted Jewish shop in Aachen, Germany on the day after Kristallnacht, Nov. 10, 1938.
Wolf Gruner and Armin Nolzen (eds.). 'Bürokratien: Initiative und Effizienz,' Berlin, 2001.
Most histories highlight the shattered storefronts and synagogues set aflame. But it was the systematic ransacking of Jewish homes that extracted the greatest toll.
Vice President Spiro T. Agnew on Aug. 8, 1973 at a Washington news conference.
When Vice President Spiro Agnew gave a speech in 1969 bashing the press, he fired some of the first shots in a culture war that persists to this day.
The inventor with his eponymous weapon.
AP Photo/Vladimir Vyatkin
One hundred years ago, the inventor of the most deadly weapon of the 20th century was born in Russia. Now more than 100 million of his namesake guns have been manufactured and used around the world.
Lizzo’s hit songs include a lot of profanity.
Photo by Brent N. Clarke/Invision/AP)
A cognitive scientist observes that the words that bother college-age Americans today can cause harm.
Apple TV Plus has focused on recruiting big names for its shows.
AP Photo/Tony Avelar
Although some have dubbed the flurry of new video services coming out as a 'streaming war,' the reality is very different.