In an aerial image taken on May 12, 2023, a border wall and concertina wire barriers stand along the Rio Grande river between Ciudad Juarez, Mexico, left, and El Paso, Texas.
Patrick T. Fallon/AFP via Getty Images
NEPA requires federal agencies to analyze environmental impacts of projects like interstate highway construction.
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J.B. Ruhl, Vanderbilt University and James Salzman, University of California, Los Angeles
Sugar alternatives go by many names including artificial sweeteners, low-calorie sweeteners and nonsugar sweeteners.
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People pray over the body of Sister Wilhelmina Lancaster at the abbey of the Benedictines of Mary, Queen of Apostles, near Gower, Mo., in April 2023.
AP Photo/Charlie Riedel
The Zaporizhzhia Nuclear Power Plant seen across the Dnieper River, which was receding after a downstream dam was destroyed.
Photo by Carl Court/Getty Images
The International Atomic Energy Agency says the plant has enough water to last for several months. What happens afterward or if the remaining water is lost to the war could lead to a disaster.
Gliomas can form connections with distant areas of the brain, exploiting them for their own spread and growth.
Andriy Onufriyenko/Moment via Getty Images
Glioblastoma is the most aggressive type of brain cancer, causing significant decline in cognitive function. New research suggests a common anti-seizure drug could help control tumor growth.
Lt. Gen. Arthur Gregg attends a ceremony on April 27, 2023, in which a military base was renamed in his honor.
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Russia and Ukraine have blamed each other for the attack on crucial civilian infrastructure. Experts explain what the incident means for future war plans, and for the safety of the affected region.
Former President Donald Trump and former Vice President Mike Pence appear together in November 2020.
Tasos Katopodis/Getty Images
Research shows that social media, with it endless promotion of unrealistic standards of beauty, has had a negative impact on millions of young people.
A witness cries while giving testimony in a trial against former Guatemalan dictator Gen. José Efraín Ríos Montt in 2013.
Johan Ordonez/AFP via Getty Images)
It’s not a question of if insurance will become unavailable or unaffordable in areas at high risk of wildfires, hurricanes and other damage – it’s a question of when. A disaster risk expert explains.
Olmec culture deeply shaped later Mesoamerican civilizations like the Aztecs.
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Finding cosmetics that are free of hormone- disrupting chemicals often means paying more. An epidemiologist explains the risk, particularly for young women.
The Peach Drop celebration marks the new year in Atlanta on Jan. 1, 2023.
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Garret Martin, American University School of International Service
The UK leader’s visit to the US comes amid trouble at home, with low ratings for his Conservative Party. But don’t expect much joy for Sunak on trade or Northern Ireland.
The USS Chung-Hoon observes a Chinese navy ship cross into its path.
Mass Communication Specialist 1st Class Andre T. Richard/U.S. Navy via AP
Meredith Oyen, University of Maryland, Baltimore County
What was behind the latest encounter between US and Chinese military vessels in contested waters?
Will the debt ceiling bill negotiated by President Joe Biden, left, and House Speaker Kevin McCarthy be a lasting solution?
AP Photo/J. Scott Applewhite
Travis Knoll, University of North Carolina – Charlotte
President Lyndon Johnson’s commencement address at Howard University in 1965 offered a compelling argument on the need for affirmative action. His policies have been challenged ever since.
Cane toads: very large, very invasive and very poisonous.
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Yu Chen, Binghamton University, State University of New York
There are many uses for digital systems that are not centrally controlled and that allow large numbers of people to participate securely, even if they don’t all know and trust each other.
Addressing the increased risks of certain diseases among those with Down syndrome could help improve their quality of life.
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Joaquin Espinosa, University of Colorado Anschutz Medical Campus
People with Down syndrome have an extra chromosome 21. Understanding the effects of those triplicated genes could help improve the health of those with Down syndrome and other medical conditions.
Patrons at the Eldorado, a popular LGBTQ cabaret in Berlin during the Weimar years.
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Research has examined how ultraprocessed foods can contribute to diabetes, cardiovascular disease, cancer and mood disorders. A healthier diet is one way to use food as medicine.
Educators are increasingly turning to hip-hop to engage young people in school.
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Once considered a novelty in school, hip-hop has spawned an array of educational programs and initiatives that are reshaping the way educators teach and how students learn.
The surface of Europa – one of Jupiter’s moons – is a thick layer of solid ice.
NASA/JPL-Caltech/SETI Institute
The Jupiter Icy Moons Explorer and Europa Clipper missions will arrive at Jupiter in the 2030s and provide researchers with unprecedented access to the icy moons orbiting the gas giant.
A college admission letter might come from a school you haven’t applied to – or even heard of.
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On the basis of government appointment technicalities and religious freedom, Americans may lose free coverage for cancer and blood pressure screenings, HIV prevention medication and other essential services.
Rapper Offset apologized over a homophobic slur.
Photo by Prince Williams/Wireimage/Getty Images
Greater representation in rap from LGBTQ artists comes as mainstream artists atone for past lyrics.
Newly released research of residents in northern California suggests that since the 2016 presidential election, some friendship groups have become more homogeneous.
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When people cut personal, interracial or interreligious ties because of political differences, the societal impact can be the same as forced segregation.
Fire engulfs the Branch Davidian compound near Waco, Texas, on April 19, 1993.
AP Photo/Ron Heflin