For the closest thing to spending a year on Mars, without leaving Earth, look no further than Houston. NASA has opened ...

Caused by repeated infections with the bacterium Chlamydia trachomatis, trachoma is the world's leading infectious cause of blindness. It primarily affects ...

Will England finally bring it home? Can Argentina defend their crown? Will France and Spain challenge once again? Or could one of the host nations pull off a surprise? Put your football knowledge to ...