How many times should women have sex to slow ageing?
Sexual activity increases women's telomeres
Scientists overlooked a major problem with going to Mars — and they fear it could be a suicide mission
The scientists stress more research is needed before a crewed mission to Mars
DNA study discovers a mystery of a new ancestor: Did the Homo Sapiens interbreed with a THIRD species?
The new human ancestor has been uncovered in a DNA analysis of human migration from Africa to Australasia