A numbing cold wave grips the U.S.
The torrent of arctic air that poured into many parts of the United States this week tightened its grip on Saturday and brought record cold to some spots.
North Korea likely to pursue talks, and nukes, South says
South Korea predicted on Tuesday that North Korea would look to open negotiations with the United States next year in an optimistic outlook for 2018, even as Seoul set up a specialised military team to confront nuclear threats from the North.
No preconditions for North Korea talks: Tillerson
U.S. Secretary of State Rex Tillerson on Friday said the United States would not accept any preconditions for diplomatic talks with North Korea, saying the Trump administration and the international community would continue to pressure Pyongyang.
Japan, U.S., South Korea to hold missile tracking drill
The United States, Japan and South Korea will hold two days of missile tracking drills as tensions rise in the region over North Korea’s fast-developing weapons programmes.
North Korea is 'greatest immediate threat' to U.S.: McMaster
White House National Security Adviser H.R. McMaster said on Saturday that North Korea's nuclear efforts were the 'greatest immediate threat' to the United States and added that Americans should not feel afraid to attend the Winter Olympics in South Korea.
Mattis: U.S. can't accept nuclear North Korea
U.S. Defense Secretary Jim Mattis says he cannot imagine the United States ever accepting a nuclear North Korea, warning that its rapidly advancing nuclear and missile programs would undermine, not strengthen, its security.
Politically charged murder trial of Mexican immigrant starts in San Francisco
The trial of a Mexican man accused of murdering a woman while illegally in the United States began in San Francisco on Monday, a case that President Donald Trump has cited as an example of the dangers posed by lax border security.
Is China exporting its pollution?
China may be the world's champion of renewable energy, but its actions abroad are not always in line with a country truly committed to fighting climate change. With the United States planning to quit the Paris climate deal, all eyes have been looking to China - the world's biggest polluter - to step up as climate leader. Although the Chinese have announced a raft of measures to combat emissions at home, overseas projects paint a different picture.