Nuclear Science

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TerraPower Isotopes Chooses Philadelphia's Bellwether District for $450 Million Actinium-225 Plant

Backed by state grants with long-term tax benefits, the first East Coast site aims to expand supply of a scarce cancer-therapy isotope.

Ukrainian Experts Warn of Acute Nuclear Risk at Occupied Zaporizhzhia Plant as IAEA Role Is Questioned

U.S. Weighs Risky Seizure or Diplomacy as Iran’s 60% Uranium Stockpile Remains Unverified

IAEA Points to Isfahan Tunnels for Iran’s 60% Uranium as U.S. Weighs Risky Ground Option

Israel Says It Hit Covert Iranian Site Tied to Nuclear Weapons Work Near Tehran

IAEA Reports No Radiological Impact After Reported U.S.-Israeli Strikes on Iran

IAEA Says It Cannot Verify Iran’s Enrichment or Account for Uranium at Struck Sites

TEPCO Shows 22-Meter Snake-Like Arm for Next Fukushima Debris Trial

U.S. Conducts First Airlift of Unfueled 5-MW Microreactor to Utah for Testing

1999 Tokaimura Criticality Revisited: The Record Radiation Dose That Killed Hisashi Ouchi

Satellite Images Show Iran Seals Isfahan Nuclear Tunnels, Obscures Damaged Sites

Iran Ties Possible Uranium Dilution to Full U.S. Sanctions Relief as Oman Talks Resume

Doomsday Clock Set to 85 Seconds as Arms-Control Guardrails Fall

Satellite Images Show Iran Roofing Bombed Natanz and Isfahan Sites

Doomsday Clock Moved to 85 Seconds to Midnight, Closest Ever

Bulletin Sets Doomsday Clock at Record 85 Seconds to Midnight

IAEA Brokers Local Ceasefire to Repair Zaporizhzhya Nuclear Plant’s Backup Power Line

SHANTI Act Enacted, Opening India’s Nuclear Sector to Private Investment

IAEA Hails Pakistan’s PAEC-Led Expansion of Cancer Care

Tennessee Grants Radioactive Material License to LIS Technologies for Oak Ridge Test Facility