How Researchers Found a Greener Way to Make Fuel for Nuclear Fusion—By Accident
Researchers have found an environmentally safer way to extract the lithium 6 needed to create fuel for nuclear fusion reactors. The new approach doesn’t require toxic mercury, as conventional methods do
Trump’s ‘Iron Dome’ Space Weapons Plan Ignores Physics and Fiscal Reality
Proposed U.S. space defenses against hypersonic nuclear missiles are unnecessary, impractical and would trigger a dangerous new arms race
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Elon Musk Can Find His $2-Trillion Federal Spending Cut in Nuclear Weapons
DOGE’s Elon Musk should turn his $2-trillion hatchet to wasteful and perilous U.S. nuclear weapons modernization plans
This Year’s Nobel Prizes Are a Warning about AI
Unless we pursue AI carefully, the Nobel committee will one day give a Peace Prize to the people cleaning up its terrible consequences, just as it did with nuclear physics
We Need Scientific Brainstorming about Shared Global Dangers
It is difficult to disentangle Russian and Chinese scientists from international science cooperation. That is a good thing
Your 2024 Election Rundown, from Health Care to Nuclear Proliferation
The outcome of the 2024 U.S. presidential election could reshape policies from health care at home to nuclear proliferation abroad
We Need a U.N. Study of the Effects of Nuclear War
A new United Nations expert study of the effects of nuclear war would spur informed and inclusive global debate on what nuclear war means for people and the planet today
The Next President Faces Tough Nuclear Weapons Deadlines
Whoever wins the 2024 presidential election will face heightened nuclear geopolitics, deadlines on nuclear deals with Russia and Iran and decisions on a $2-trillion weapons-modernization effort
What Happens if a Nuclear Weapon Goes Off in Space?
A nuclear explosion in space would cause stunning auroras—and wreak havoc on satellites and space stations.
Has AI Already Brought Us the Terminator Future?
Is baby Skynet already here? We need robust laws now to withstand eliminating humans from nuclear decision-making
What Happens if a Nuke Goes Off in Space?
Russia may be planning to put a nuclear weapon in orbit. We have known since the 1960s why that is a bad idea
Nuclear Weapons at Any Price? Congress Should Say No
Costs are skyrocketing to modernize the U.S. nuclear arsenal. Instead of turning a blind eye, Congress should demand fiscal oversight and make hard decisions balancing costs with deterrence