Republican presidential candidate former President Donald Trump pumps his fist as he is rushed offstage during a rally on July 13, 2024 in Butler, Pennsylvania. Anna Moneymaker/Getty Images hide caption
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Palmer Luckey, 31, founder of Anduril Industries, stands in front of the Dive-LD, an autonomous underwater drone at company headquarters in Costa Mesa, Calif. Anduril recently won a U.S. Navy contract to build 200 of them annually. Philip Cheung for NPR/NPR hide caption
This U.S. company is helping arm Ukraine against Russia — with AI drones
Heads of state pose for a group photo during the NATO 75th anniversary celebratory event at the Andrew Mellon Auditorium in Washington D.C. (July 9, 2024) Kevin Dietsch/Getty Images hide caption
Whether Biden or Trump wins in November will mean very different things for America's place in the world. Jim Watson/Saul Loeb/AFP via Getty Images hide caption
What a second Biden or Trump presidency could mean for American allies and foes
Rashaan Soto, 19, poses in front of a section of the Rio Grande in Eagle Pass, Texas on April 6,. 2024. Sergio Martínez-Beltrán hide caption
Communities are wary as an appeals court weighs legality of Texas immigration law
Supporters of Niger's ruling junta gather for a protest in Niamey, Niger, on Aug. 3, 2023. Sam Mednick/AP hide caption
President Biden speaks to graduating students at the Morehouse College commencement Sunday in Atlanta. Alex Brandon/AP hide caption
At Morehouse, Biden says dissent should be heard because democracy is 'still the way'
Director of National Intelligence Avril Haines testifying before a Senate hearing earlier this month. During a May 15 hearing, she identified Russia as the greatest foreign threat to this year's U.S. elections. Win McNamee/Getty Images hide caption
TikTok sued the Biden administration in response to a new law that bans the video app in the U.S. unless it is sold in the next 12 months. Michael Dwyer/AP hide caption
U.S. Department of Homeland Security Secretary Alejandro Mayorkas speaks at a presser about immigration and the Trump-era expulsion policy Title 42 that is set to end next week on May 5, 2023 in Brownsville, Texas. Michael Gonzalez/Getty Images hide caption
Biden's new asylum rule would have 'minimal' impact on unauthorized border crossings
Homeland Security Secretary Alejandro Mayorkas talks with NPR's Morning Edition Wednesday, May 8, 2024, at the department's headquarters in Washington, D.C. Michael Zamora/NPR hide caption
Is Biden's border plan working? Here's how the top immigration official says it is
President Biden is seen at the White House on May 2. In an interview with CNN on Wednesday, Biden said he would halt some weapons shipments to Israel if Prime Minister Benjamin Netanyahu ordered a full invasion of Rafah. Kevin Dietsch/Getty Images hide caption
In this file photo, migrants board a plane in Harlingen, Texas, on October 18, 2023 for deportation to Venezuela. Veronica G. Cardenas/AFP via Getty Images hide caption
A U.S. Navy ship docks off the coast of the Gaza Valley area in the central Gaza Strip on April 29, 2024. The ship is expected to participate in the construction work of a floating naval dock to deliver more humanitarian aid to Gaza Strip announced in March. Ashraf Amra/Anadolu via Getty Images hide caption
A woman carries a child as she walks through the al-Hol refugee camp in northeastern Syria in October 2023. Delil Souleiman/AFP via Getty Images hide caption
After years in a Syrian ISIS camp, a 10-person American family is back in the U.S.
Ryan Riccucci, division chief of law enforcement operational programs for U.S. Customs and Border Protection, says he feels his agency is often misunderstood by the U.S. public. Here, he poses for a portrait in his office at the Tucson Sector headquarters in Arizona on March 26. Ash Ponders for NPR hide caption
How a U.S. Customs and Border Protection veteran sees his agency's mission
Álvaro Enciso places crosses at sites where migrants are known to have died in the borderland, this cross represents the death of Nolberto Torres-Zayas just east of Arivaca, Arizona on Wednesday, March 27, 2024. Torres-Zayas died of hyperthermia in 2009, not far from a Humane Borders water cache that had been vandalized and drained. Ash Ponders for NPR hide caption
Is it easy for migrants to enter the U.S.? We went to the border to find out
The new guidelines were prompted by increased rates of breast cancer in women in their 40s. They recommend mammograms every other year, starting at age 40. izusek/Getty Images hide caption
A newly signed law requires that the Chinese-owned TikTok app be sold to satisfy national security concerns. Joe Raedle/Getty Images hide caption
China's influence operations against the U.S. are bigger than TikTok
Secretary of the Army Christine Wormuth looks over the latest version of the M1A2 Abrams main battle tank as she tours the Joint Systems Manufacturing Center on Feb. 16, 2023, in Lima, Ohio. Carlos Osorio/AP hide caption
President Biden on Wednesday announces the signing of a $95 billion military assistance package for Ukraine, Israel and Taiwan. Ukraine says the aid is critical as it seeks to regain momentum on the battlefield from Russia. Evan Vucci/AP hide caption
The American and Ukrainian flags wave in the wind outside of the Capitol. The Senate is moving ahead with $95 billion in war aid to Ukraine, Israel and Taiwan. Mariam Zuhaib/AP hide caption
A TV screen shows a file image of a North Korean missile launch during a news program at the Seoul Railway Station in South Korea on April 22, 2024. North Korea fired multiple suspected short-range ballistic missiles toward its eastern waters on Monday, South Korea's military said. Ahn Young-joon/AP hide caption