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Madison and Nashville School Shooters Appear to Have Crossed Paths in Online Extremist Communities
A month after a student opened fire at Abundant Life Christian School, another killed a classmate at Antioch High School. Both were active in an internet subculture that glorifies mass shooters and encourages young people to commit attacks.
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Antioch, Tenn., Shooter Inspired by Broad Extremist Beliefs and Previous Mass Killers
On January 22, 2025, a 17-year-old student opened fire inside the cafeteria at Antioch High School in Nashville, Tennessee. The shooter subscribed to broad accelerationist beliefs, which hold that society is irrevocably broken and must be destroyed to be rebuilt.
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Bystander Reporting Helps Prevent Mass Violence
Bystander reporting’s role in mitigating mass violence deserves much more attention –because peers, bystanders, and “bystanders of bystanders” often know a lot about a person’s concerning behavior, and because they often choose not to report because they perceive authority figures are not receptive or are unlikely to be helpful.
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5 Israeli Innovations for Fighting Wildfires
As regions from California to the Mediterranean face wildfire threats, these innovations can help win the battle against out-of-control flames.
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Will Trump Spark a Mineral 'Gold Rush' in Greenland?
The mineral wealth on the Arctic island of Greenland is in the global spotlight after U.S. President Donald Trump said he wants to take control of the territory from Denmark, prompting alarm from European allies.
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Southport Attack: Changing the Definition of Terrorism Won’t Stop the Violence
Axel Rudakubana, who killed of three young girls in Southport in a stabbing attack in 2024, had been referred to the Prevent counter-terrorism program three times, but failed to meet the threshold for intervention. Some want to change terror laws to deal with lone, violent killers. But as a researcher of counter-terrorism laws, I argue there is little point to widening what is already a broad definition of terrorism.
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In Times of Crisis, States Have Few Tools to Fight Misinformation
While officials in Southern California fought fire and falsehoods, Meta —the parent company of Facebook and Instagram —announced it would eliminate its fact-checking program in the name of free expression. As social media companies are pushing back against efforts to crack down on falsehoods, questions are asked about what, if anything, state governments can do to stop the spread of harmful lies and rumors that proliferate on social media.
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House Democrat Pushes Bill Requiring Liability Policy to Buy or Possess Firearms
Under a bill proposed Monday, the legislative majority is pushing to require proof of “financial responsibility” before purchasing or possessing a firearm by requiring certain liability policies.
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Monitoring Space Traffic
AeroAstro Ph.D. student Sydney Dolan uses an interdisciplinary approach to develop collision-avoidance algorithms for satellites.
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Russia's Arctic Militarization Behind Trump's Focus on Greenland
The United States has long viewed Greenland as vitally important for its defense. With Russia investing heavily in its Arctic military footprint in recent years, the importance of Greenland to the United States is increasing.
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Proud Boys: A Big Tent for Hate
Some of those pardoned by President Trump are leaders and members of the Proud Boys, a right-wing extremist group with a history of using violence, targeted harassment, and intimidation to achieve their political goals and combat perceived enemies – Jews, Muslims, gays, progressives, and feminists.
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Acoustic Sensors Find Frequent Gunfire on School Walking Routes
A new study used acoustic sensors that detect the sound of gunfire to show how often children in one Chicago neighborhood are exposed to gunshots while walking to and from school. The study documents toll on kids in the community.
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The L.A. Fires Show a Need to Rethink Our Wildland Firefighting Systems
As bad as the fires in the Los Angeles area have been—more than 12,000 structures burned, about 180,000 people evacuated, more than 35,000 acres scorched, and at least 25 deaths—they could have been even worse, but in some ways Angelenos got lucky. Asystem built on luck, however, is not a durable system. It is already strained, and it risks breaking down in a world of greater and more frequent wildfires.
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U.S. Fortifying Indo-Pacific Air Bases Against Potential Attacks from China
The United States has been ramping up its Indo-Pacific region air bases to ensure they are protected against attack, amid concerns over vulnerabilities they face in countries such as Japan, the Philippines and South Korea against potential Chinese strikes.
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What Mercenaries Can Teach Us About Climate-Fueled Disaster Responses
The devastating fires in Southern California, many of which are still burning out of control, have exposed a controversial and increasingly attractive disaster response alternative that engages the private sector.
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The long view
Factories First: Winning the Drone War Before It Starts
Wars are won by factories before they are won on the battlefield,Martin C. Feldmann writes, noting that the United States lacks the manufacturing depth for the coming drone age. Rectifying this situation “will take far more than procurement tweaks,” Feldmann writes. “It demands a national-level, wartime-scale industrial mobilization.”
How Male Grievance Fuels Radicalization and Extremist Violence
Social extremism is evolving in reach and form. While traditional racial supremacy ideologies remain, contemporary movements are now often fueled by something more personal and emotionally resonant: male grievance.
The Surprising Reasons Floods and Other Disasters Are Deadlier at Night
It’s not just that it’s dark and people are asleep. Urban sprawl, confirmation bias, and other factors can play a role.
Why Flash Flood Warnings Will Continue to Go Unheeded
Experts say local education and community support are key to conveying risk.