Even if initial coronavirus vaccines are not perfect, they could get us to the end of the current crisis

Diabetes drug metformin, also taken to slow ageing, can blunt physical changes from exercise, according to a new report

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Hazard of summer thunderstorms also registers in extensive US climate-change study

Tests show that heavier people can see objects as being twice as far away as slim people

Republicans being careful not to give Democrats any opportunity to attack them on key election issue

Animal behaviour expert, who has autism, addresses veterinarian seminar in Dublin

The internet has changed how we treat our fellow beings, sometimes with negative consequences. But making it a more pleasant environment may be impossible