Max Butterworth / NBC NewsRussia-Ukraine CrisisWhat's Putin planning in Ukraine standoff? TikTok might have the answerRussia insists it won't start war after Biden warns Feb. invasion 'distinct possibility'Russia-Ukraine crisis: Severe sanctions could trigger crippling Moscow response
Gene J. Puskar / APbridge collapse10 people injured after snow-covered bridge collapses in PittsburghBiden visits collapsed bridge during Pittsburgh trip to promote infrastructure package
NOAAWeatherFirst blizzard warnings in 4 years in effect as East Coast braces for powerful nor’easterWATCH: 65 million in Northeast brace for winter storm this weekend
Climate in Crisis2021's extreme heat caused catastrophic damage. It was just the beginning, experts say.
Chelsea Stahl / NBC NewsEducationStudent borrowers in shock over 'zero balance' as federal program fulfills elusive promiseSurvey: Student loan holders are more likely to be women and people of color
