Belgian doctors have developed a low-cost version of test-tube baby technology for use in developing countries, where sophisticated Western systems are unaffordable for most couples.

Astronomers hunting for rocky planets with the right temperature to support life estimate there may be tens of billions of them in our galaxy alone.

Astronomers have spotted an exotic planet that seems to be made of diamond racing around a tiny star in our galactic backyard.

May 11: People working 10 or 11 hours a day are more likely to suffer serious heart problems, including heart attacks, than those clocking off after seven hours, researchers said on Tuesday.