Radiation poisoning happens when you’re exposed to extremely high radiation levels, like those caused by a nuclear explosion. Early symptoms include nausea and vomiting. Later, it causes organ damage.

At the center of most large galaxies, including our own Milky Way, sits a supermassive black hole. Interstellar gas periodically falls into the orbit of these bottomless pits, switching the black hole ...

In a new study published in Nature, researchers at the University of Chicago Medicine Comprehensive Cancer Center explore a surprising phenomenon in which high doses of radiation cause growth in ...