The European Southern Observatory’s Very Large Telescope has detected "a scar imprinted on the surface" of white dwarf star ...

The immune system is primed to detect and respond to foreign objects. In some cases, the immune system might reject lifesaving devices such as pacemakers or drug delivery systems. But in all cases, ...

Women with cirrhosis might notice their belly becoming swollen or bloated. This swelling is called ascites and happens ...