NATO cannot negotiate on behalf of Denmark, Greenland, says Danish premier
Poland issues emergency alerts in 8 provinces as smog crisis worsens
Crockett accuses liberal podcast hosts of racial motive in criticism of her Texas Senate bid
Death toll in Spain high-speed train crash rises to 45
US vice president defends immigration enforcement policies
UN says situation in Syria 'very tense' amid clashes, humanitarian crisis
House jams Senate by attaching repeal of Jack Smith provision to $1.2T funding package
Elon Musk says at Davos that robots will one day outnumber people
Airlines issue travel waivers ahead of winter storm
A vaccine trial is called 'unethical' and a 'unique' opportunity. Is it on or off?