The most radioactive elements found on Earth include Polonium, Radium, and Radon. Learn why elements with short half-lives, ...

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 ...

In this lesson, students will simulate the randomness of decay in radioactive atoms and visualize the half-life of a sample radioactive element. This lesson can be completed in two (2) 45-minute class ...

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 ...

The amount of long-lived radioactive elements incorporated into a rocky planet as it forms may be a crucial factor in determining its future habitability. That's because internal heating from the ...

Take a look at the first column of the periodic table. The elements in this group include some of the most common and useful ones on the planet - and they probably all wish they weren’t associated ...

You can hold plutonium in your hand, but it has the potential to destroy entire cities. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Plutonium ...

A new study identifies internal heating from radioactive decay as a critical factor in a planet’s ability to generate a magnetic field and retain an atmosphere. Credit: Illustration by Melissa Weiss ...