Short-lived radioisotopes such as aluminum-26 influenced early solar system heat, water retention and the formation of Earth-like rocky planets, according to meteorite analyses and models.

Researchers at the Accelerator Laboratory of the University of Jyväskylä, Finland, precisely measured atomic masses of radioactive lanthanum isotopes and found an interesting feature in their nuclear ...

Radioactive isotopes have been discovered by Russia's state weather agency in test samples more than two weeks after a mysterious and deadly explosion earlier this month at a naval weapons testing ...

There are traces of radioactive fallout from nuclear tests conducted in the 1950s and 1960s in American honey, a new study has revealed. The presence of a radioactive isotope called cesium-137 has ...

That natural, bee-produced sweetener you stir into your tea and lavish on your toast may be laced with cesium-137. It’s a radioactive isotope, Jim Kaste explains, a relic of the atom bomb tests of the ...

For more than a century, dinosaur eggs have offered haunting snapshots of ancient life, from curled embryos to trampled nests ...

Russian state officials admitted Monday that radioactive gases with isotopes of barium, strontium and lanthanum were found in test samples following an explosion at a military test site but insisted ...

The Rhisotope Project is embedding radioactive isotopes in the horns of rhinos in an effort to prevent poaching. Rhinos previously injected with the isotopes during Rhisotope's test phase turned out ...

Editor’s note: February is American Heart Month. On Tuesdays this month, The Westfield News is partnering with Baystate Noble Hospital to publish articles about heart health and heart care services at ...

On a Wednesday morning in late January 1896 at a small light bulb factory in Chicago, a middle-aged woman named Rose Lee found herself at the heart of a groundbreaking medical endeavor. With an X-ray ...

European researchers have concluded that a radioactive cloud that drifted over Europe in 2017 likely originated in Russia, possibly from a plant that was the site of an infamous nuclear disaster.

MOSCOW — A Russian state weather agency named for the first time on Monday four specific radioactive particles released by an explosion at a military testing site earlier this month that left at least ...