This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American For a long time the apparent discrepancy ...

In searching for planets and studying their stars, I’ve had the privilege of using some of the world’s great telescopes. However, our team has recently turned to an even larger system to study the ...

94 million gallons of radioactive water and 1,100 tons of uranium waste flooded out of a breached dam into the Rio Puerco. The spill happened just four months after the Three Mile Island nuclear ...

From toothpaste to dinnerware to your grandfather’s watch, many of the everyday products sold ...

From the public announcement that Mallinckrodt Chemical Works helped refine uranium for the Manhattan Project to the present, the St. Louis Post-Dispatch has covered the issue of storing radioactive ...

On this day, chemists discovered a substance 900 times more radioactive than uranium. Their research led to unprecedented medical breakthroughs and worldwide fame — but it would also kill one of them.

For the first time, scientists have revealed crucial properties of the mysterious, radioactive substance promethium — nearly eight decades after the elusive rare earth element was discovered.

They present a compelling story of radiation, mutation and survival against the odds. But the underlying science didn’t actually show any genetic differences were caused by radiation. The idea of ...

ST. LOUIS COUNTY, Mo. – Missouri State Representative Chantelle Nickson-Clark of Florissant will co-host a town hall on the history of radioactive contamination in north St. Louis and St. Charles ...

As the journalist whose investigative reporting for the Salt Lake City Deseret News led the way to passage of the Radiation Exposure Compensation Act (“Josh Hawley’s Nuclear Meltdown” by Luke Lyman, ...