IN the differentiation of adrenal hyperplasia from adrenal neoplasm as the cause of Cushing's syndrome the size of the pituitary fossa may be a useful diagnostic aid. Previous studies have ...

A scar has been spotted on Mars that's bigger in size than the Grand Canyon, according to the European Space Agency (ESA).

The striking surface feature, named Aganippe Fossa, is a graben — a "ditch-like ... a massive canyon around the size of Italy ...