NBC Nightly News with Brian Williams
JUST IN: 7.5-magnitude earthquake strikes Guerrero, Mexico, USGS says

JUST IN: 7.5-magnitude earthquake strikes Guerrero, Mexico, USGS says

BREAKING NEWS: 8 million Americans have now signed up for health insurance under the Affordable Care Act, President Obama says

BREAKING NEWS: 8 million Americans have now signed up for health insurance under the Affordable Care Act, President Obama says

BREAKING NEWS: World leaders agree on initial steps to de-escalate situation in Ukraine; ‘Parties agreed that all sides must refrain from the use of violence,’ Secretary of State Kerry says

BREAKING NEWS: World leaders agree on initial steps to de-escalate situation in Ukraine; ‘Parties agreed that all sides must refrain from the use of violence,’ Secretary of State Kerry says

BREAKING NEWS: A shooting has occurred at Fort Hood, U.S. Army official confirms to NBC News

BREAKING NEWS: NASA will curtail certain activities with its Russian counterparts over the situation in Ukraine. International Space Station operations not affected.

BREAKING NEWS: General Motors expands ignition switch recall to include 824,000 additional vehicles sold in the U.S.

http://www.cnbc.com/id/101535925

BREAKING NEWS: Firefighters battling 9-alarm fire in Boston; reports of firefighters injured
Details via WHDH: http://nbcnews.to/1fkldK6 l Photo: Boston Fire Department

BREAKING NEWS: Firefighters battling 9-alarm fire in Boston; reports of firefighters injured

Details via WHDHhttp://nbcnews.to/1fkldK6 l Photo: Boston Fire Department

Osama bin Laden’s son-in-law found guilty of aiding al Qaeda at New York City terror trialDetails: http://nbcnews.to/OUARWo l Photo: Reuters file

Osama bin Laden’s son-in-law found guilty of aiding al Qaeda at New York City terror trial

Details: http://nbcnews.to/OUARWo l Photo: Reuters file

BREAKING NEWS: 108 names on the list of missing or unaccounted for in Washington state mudslide, officials say

BREAKING NEWS: 108 names on the list of missing or unaccounted for in Washington state mudslide, officials say

BREAKING NEWS: “It is therefore with deep sadness and regret that I must inform you that according to this new data MH370 ended in the southern Indian Ocean.” - Malaysian Prime Minister on Malaysia Airlines Flight 370

BREAKING NEWS: “It is therefore with deep sadness and regret that I must inform you that according to this new data MH370 ended in the southern Indian Ocean.” - Malaysian Prime Minister on Malaysia Airlines Flight 370

BREAKING NEWS: Malaysia Airlines text message to families: ‘We have to assume beyond any reasonable doubt that MH370 has been lost and that none of those on board have survived.’

BREAKING NEWS: Malaysia Airlines text message to families: ‘We have to assume beyond any reasonable doubt that MH370 has been lost and that none of those on board have survived.’

BREAKING NEWS: Federal judge rules Michigan’s ban on same-sex marriage is unconstitutional, NBC’s Pete Williams reports