The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Opinion

Climate scientist: I witnessed Australia on fire. Climate change is already here.

By Michael E. Mann | Climate Change, Opinion

Minuteman III missile in silo

Why the new US ICBMs would be too expensive even if they were free

By Robert J. Goldston | Nuclear Weapons, Opinion

robot made of weapons dissolves into doves

Death of efforts to regulate autonomous weapons has been greatly exaggerated

By Neil C. Renic | Opinion, Technology and Security

Fact-check: Five claims about thorium made by Andrew Yang

By John Krzyzaniak, Nicholas R. Brown | Nuclear Energy, Opinion

smokestack and gas plant emissions, surreal sky

Fossil fuel companies claim they’re helping fight climate change. The reality is different.

By Kathy Mulvey, Myles Allen, Peter C. Frumhoff | Climate Change, Opinion

sunrise over clouds

Geoengineering is no climate fix. But calling it a moral hazard could be counterproductive

By Soheil Shayegh | Climate Change, Disruptive Technologies, Opinion

Doctor examining Marshallese infant

The human cost of nuclear weapons is not only a “feminine” concern

By Lilly Adams | Nuclear Weapons, Opinion

SUV shaming: I care about climate change, so why am I driving an SUV?

By Dawn Stover | Climate Change, Columnists, Opinion

Soldier donning a gas mask.

The Biological Weapons Convention protocol should be revisited

By Lynn Klotz | Biosecurity, Opinion

power plant and digital code

Lessons from the cyberattack on India’s largest nuclear power plant

By Alexander Campbell, Vickram Singh | Opinion

Workers stacking bags of soil.

An update from Fukushima, and the challenges that remain there

By Tatsujiro Suzuki | Nuclear Energy, Nuclear Risk, Opinion

Members of the press visit the Arak reactor.

Members of US Congress refuse to benefit from the Iran nuclear deal

By John Krzyzaniak | Nuclear Risk, Opinion