Many political ads in this year’s U.S. elections pack an unusually harsh and personal punch, some with racial overtones. Roselle Chen reports.

Saudi Crown Prince Mohammed bin Salman broke his silence over journalist Jamal Khashoggi’s death at an investment conference in Riyadh, saying justice will be done. But empty seats showed the killing had overshadowed the event.

A team of surgeons this summer successfully repaired the spinal cords to treat spina bifida in two babies before birth, the first surgery of its kind in Britain.

Compared with people with average levels of cortisol, those with the highest levels had lower scores on the cognitive tests

The new drug, sold as Xofluza, is about as effective as Tamiflu in shortening flu symptoms, and is expected to work against drug-resistant strains.

People are more likely to have heart attacks when the weather is bad, Swedish researchers have found.