President Trump slams Speaker Pelosi on Twitter
Embassy unrest in Iraq highlights escalating U.S.-Iran tensions
3 mountain lions killed after feeding on human remains
Greta Thunberg calls for end to all fossil fuel investment "now" at Davos forum
Yo Gotti and Roc Nation to hold prison reform rally in Mississippi
Pompeo questioned about strike that killed Iranian general Soleimani
McConnell says he has enough votes to set rules for impeachment trial
Operation against Soleimani was set in motion before embassy attack
House to vote on limiting President Trump's war powers
Democrats concerned about U.S. killing top Iranian general without congressional authorization
Trump heads in to 2020 under the shadow of impeachment
Kentucky miners block coal train over missed paychecks
The argument over witnesses at Trump impeachment trial
Trump's lawyers submit brief ahead of impeachment trial
Democrats, Republicans deadlocked over next steps in impeachment
Secretary Esper: No plans to pull troops out of Iraq
Creating the iconic Times Square ball for New Year's Eve
Pelosi says she'll send impeachment articles to Senate "soon"
How will Trump's impeachment trial compare to Clinton's?
What will Chief Justice John Roberts's role be in impeachment trial?
Watch live: Secretary of State Mike Pompeo speaks amid heightened tensions with Iran
Sanders leads with Warren close behind in new Iowa poll
New York Times reports internal White House opposition to Ukraine aid freeze
Inside Iran's strategy against the U.S.
FBI arrests three suspected white supremacists ahead of gun rights rally in Virginia
2020 could be groundbreaking year for space exploration
Tense moment between Sanders and Warren reignites dialogue over role of gender in 2020 race
Officials airdrop vegetables from helicopters for animals amid Australia's fires
Trump blames Iran for U.S. embassy attack in Iraq
Biggest takeaways from final Democratic debate before Iowa caucus