Special Topics

A letter to the president: Revoking visas of international students makes America smaller, not stronger

By Misho Ceko | Opinion, Special Topics

Mars Attacks: How Elon Musk’s plans to colonize Mars threaten Earth

By Kelly Weinersmith, Zach Weinersmith | Disruptive Technologies, Special Topics, Technology and Security

The shrinking of the Greenland Ice Sheet can’t be stopped—but it can and must be slowed

By Twila Moon | Climate Change, Special Topics

Iceberg in Antarctica

Climate change will surprise us, but so-called ‘tipping points’ may lead us astray

By Robert Kopp, Elisabeth Gilmore, Rachael Shwom | Climate Change, Special Topics

Introduction: (Almost) everything you wanted to know about tipping points, but were too afraid to ask

By Jessica McKenzie | Climate Change, Special Topics

oil painting of collapse of civilization

“Fragile, impermanent things”: Joseph Tainter on what makes civilizations fall

By Jessica McKenzie | Climate Change, Special Topics

Apocalypse now? Mortality and mental health correlates of the Doomsday Clock

By Samuel Justin Sinclair, David A. Silbersweig | Special Topics

For this French senator, Trump is a traitor—and Europe is now alone

By François Diaz-Maurin | Multimedia, Nuclear Risk, Special Topics

Elon musk jumping on stage at a Trump rally

The spies Musk sent into the cold are a counterintelligence disaster in the making

By Calder Walton | Analysis, Special Topics, Technology and Security

Trump’s Oval Office outburst with Zelensky, annotated

By John Mecklin, Thomas Gaulkin | Multimedia, Nuclear Risk, Special Topics

The new art of atomic critique

By Sean J Patrick Carney | Multimedia, Nuclear Risk, Special Topics

Tesla and SpaceX CEO Elon Musk, accompanied by President Donald Trump and his son X Musk, speaks during an executive order signing in the Oval Office at the White House on February 11. The executive order implements the Department of Government Efficiency's (DOGE) "workforce optimization initiative," which, according to Trump, will encourage agencies to limit hiring and reduce the size of the federal government. (Photo by Andrew Harnik/Getty Images)

How Trump, Musk, and DOGE are undermining US intelligence and national security

By Thomas Fingar | Analysis, Artificial Intelligence, Nuclear Risk, Special Topics