To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, ...

Cortisol is a stress hormone that helps in the short term, but chronically high levels may raise chronic disease risk, weight gain, and sleep issues. To naturally lower cortisol levels, focus on sleep ...

You notice a dark spot on your arm that wasn’t there last month. Approximately 70 percent of melanomas develop as entirely new lesions, making any new growth after ...

Intense pulsed light (IPL) therapy, also known as a photo facial, is a way to improve the color and texture of your skin without surgery. It can undo some of the visible damage caused by sun exposure ...