People are exposed to toxic substances – like pesticides, chemicals in plastics and radiation – every day. A growing body of research shows that this exposure is causing a decline in male fertility.

Astronomers just measured the largest flare ever from Proxima Centauri, humanity's closest neighboring star. These flares could be bad news for life trying to develop on a planet orbiting the star.

A radioactive cement injected into bone provides support and local irradiation of spinal tumors more safely than conventional radiation therapy.

The myth that 5G causes COVID-19 has spread around the world, researchers report. Thankfully, experts debunking the false idea helped.

Surgery, in addition to treatments like chemotherapy and radiation therapy, may lenghten survival for women with metastatic breast cancer.

Early and repeated exposure to X-rays and CT scans may increase the chance of testicular cancer. The findings support the use of more testicular shielding.

While long-term exposure of lower levels of radiation for wildlife around Chernobyl is still being debated, new research provides insight into the effects on bumblebee populations.

Researchers are developing tattoo inks that do more than make pretty colors. Some can sense chemicals, temperature and UV radiation, setting the stage for tattoos that diagnose health problems.

What if there was another nuclear incident in the US? A disaster management scholar looks back at the history of nuclear events to assess the risk.