The prototype radiotherapy system combines a fixed vertical radiation beam with horizontal patient rotation. (Courtesy: Paul Liu) Radiation therapy plays a fundamental role in cancer treatment, but ...

Scientists have just plotted changes in Earth's axis through laboratory measurements. To do this, they constructed the world's most stable ring laser. Previously, scientists were only able to track ...

Groundwater pumped up from the earth and moved elsewhere to quench the thirst of humans and their activities resulted in the earth’s axis tilting nearly 80 cm to the east, a new study has found. The ...