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 ...

‘Oumuamua (1I/2017 U1) is the first object of interstellar origin observed in the Solar system. Recently, Micheli et al. (2018) reported that ‘Oumuamua showed deviations from a Keplerian orbit at a ...

In Sept. 2012, NASA’s Van Allen Probes observed the radiation belts around Earth had settled into a new configuration, separating into three belts instead of two. Scientists think the unusual physics ...

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 ...

Nearly half of all cancer patients undergo radiation therapy as part of their care. Ionizing radiation, or the emission of high-energy waves or particles, works as a therapy by damaging a cancer ...

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 ...

From radiopharmaceuticals to hypofractionated radiation therapy, one expert explained the current landscape of radiation treatments for prostate cancer. Radiopharmaceuticals, defined by the National ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Advances in radiotherapy involve combining new technologies with clinical expertise. Kateryna Kon/Science Photo Library via Getty ...