Stars exploding as supernovae are the main sources of heavy chemical elements in the Universe. In particular, radioactive atomic nuclei are synthesized in the hot, innermost regions during the ...

Add Yahoo as a preferred source to see more of our stories on Google. The element radium can be found in extremely tiny amounts in the Earth’s crust and oceans, and in its pure form it is a soft ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. “What is radium and why is it dangerous?” – ...

By directing pulses of laser light at atoms, researchers can study how radioactive elements decay in a matter of seconds. The ...

Hair oil spiked with radioactive elements seems like an obviously bad idea to us now. But in the decades right after ...

One of the most formidable obstacles to exploiting the full potential of nuclear energy is the long-term disposal of highly radioactive waste that is generated by the burning of fuel in nuclear ...

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