This video unravels the mystery of the so-called "radioactive bus," explaining how it became contaminated, the science behind ...

Radiation can wreak havoc on the human body when it's exposed to high doses or for prolonged periods of time. The world understood this in horrifying detail after the Chernobyl and Fukushima Daiichi ...

In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

Russia's war in Ukraine has renewed fears of nuclear disaster in a world that hasn't seriously grappled with the health effects of radiation since the 2011 Fukushima crisis. Disaster could come in ...

There are hints that the universe may be behaving unexpectedly, and astrophysicists are racing to explain why. Their ideas to account for the surprising result include allowing dark matter and dark ...