Scientists have found that a single change in a person’s genetic material can cause primary progressive MS.
China is using travel as an important tool to help strengthen its economy.
A gunman has killed 50 people and wounded another 53 at a gay nightclub in Orlando, Florida.
A baby girl born in New Jersey to a mother infected with the Zika virus has severe microcephaly, say health officials.
Ten-year-old Emma Bennett got a surprise gift that made her very happy.
Americans observed Gun Violence Awareness Day on Thursday.
Officials in Thailand found 40 dead tiger cubs at a Buddhist temple accused of animal abuse.
The social media website Twitter has announced major updates to its service.
Tennis star Maria Sharapova said she will appeal the two-year suspension by the International Tennis Federation, or ITF.
The UN has been reforming parts of the emergency health system for years, including its health agency — the World Health Organization (WHO).