A new study warns that the strain of H1N1, common on China’s pig farms since 2016, should be “urgently” controlled to avoid another pandemic.

Officials promised to recruit at least 500 cyberspies and build on the country’s offensive capabilities to take the online battle overseas.

Coronavirus vaccine, Vladimir Putin, TikTok: Here’s what you need to know.

Serkan Golge, an American caught up in increasingly fraught Turkish-U.S. relations, arrived with his family in Washington after nearly four years of imprisonment and house arrest.

Here’s what you need to know.

The head of the World Health Organization announced that the organization would send experts to China to investigate the original source of the coronavirus.

The government and the Taliban pointed blame at each other in the latest attack. But in this war, there is diminishing clarity on who is to blame for the bodies piling up.

The outbreak is raging outside Moscow, but President Vladimir V. Putin is committed to a national vote that could keep him in power for another 16 years.

Surface air temperatures at the bottom of the world have risen three times faster than the global average since the 1990s.

A Tehran prosecutor said that Iran had asked for international help in detaining people involved in the drone strike that killed the powerful general.