Hiyah Zaidi

New anti-ageing drug will work at a cell level – and could prolong your lifespan

Everyday product may be secretly damaging your bones

Winners of astrophotography competition announced – see the stunning pictures

Why you shouldn’t be drinking water from plastic bottles, according to science

NASA responds to claim that mystery space object is potential alien spacecraft

Priest who says he had heart attack and went to hell reveals what he saw

First ever pig-to-human lung transplant performed by scientists

Scientists have created a new life form

Nasa pictures capture extraordinary moment witnessed by astronauts

Man who died for 11 minutes reveals what he saw on the other side