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.
Officials in Thailand found 40 dead tiger cubs at a Buddhist temple accused of animal abuse.
Ten-year-old Emma Bennett got a surprise gift that made her very happy.
Americans observed Gun Violence Awareness Day on Thursday.
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).