Radiotherapy, or radiation therapy, is the clinical use of high energy rays (ionizing radiation) to induce DNA damage in all exposed cells to ultimately kill cancer cells or prevent cancer growth.

More than 1,100 employees at the Environmental Protection Agency received notice this week that they were deemed to be on probationary status and warning they could be fired immediately ...

To reduce the risk of wildfire, San Diego Gas & Electric notified more than 83,000 customers that their power may be turned off as part of Public Safety Power Shutoffs. As of Friday, January 24 at ...

A map produced by Met Éireann to illustrate a weather warning as Storm Éowyn approaches has caused confusion after showing the Republic covered in red while the north remains amber. The map on ...

During a Status Red warning, people are urged to follow instructions and advice given by authorities, and "be prepared for exceptional measures". Met Éireann issues weather warnings whenever ...

How serious is this red weather warning? Storm Éowyn, which will hit Ireland in the early hours of Friday morning, is set to be “dangerous, destructive” and among the most severe storms ...

A red-level weather warning has been extended nationwide to all 26 counties in the Republic on Friday. Met Éireann says Storm Éowyn could bring life-threatening conditions and extremely ...

Jet2 and Ryanair are both warning passengers of potential flight disruptions, with severe weather conditions expected to impact services across the country. The warnings come as the Met Office ...

Toronto and the GTA are no longer under an extreme cold warning, though temperatures could still feel as low as -20 thanks to an Arctic airmass. Environment Canada posted an alert for the area ...

The National Weather Service has issued a red flag warning for most of Los Angeles and Ventura counties that will remain in effect until 8 p.m. Thursday. The NWS canceled the previous fire weather ...

Forecasters are warning of heavy rain along with strong winds on Thursday ahead of Storm Eowyn, which threatens to bring dangerous gusts of up to 90mph. Coastal areas across much of Wales ...