Millions of residents, business owners and workers began digging out from a massive blizzard on Sunday that brought Washington, New York and other northeastern US cities to a standstill.
A 7.1-magnitude earthquake rattled southern Alaska early Sunday morning.
The four victims have been identified as two teachers and two of the shooting suspect's brothers, aged 17 and 13, respectively.
A monster blizzard that has paralyzed much of the US East Coast intensified on Saturday as it barreled into New York City, forcing the closure of all bridges and tunnels into the largest US city and prompting a travel ban on area highways.
Michael Bloomberg, the billionaire former mayor of New York City, has told his aides to draw up plans for an independent campaign for the US presidency.
Thick snow covered the Washington D.C. area on Saturday as a potentially record-breaking blizzard paralyzed road, rail and airline travel on the US East Coast from North Carolina to New York.
Five people were killed and two critically injured in a school shooting in a remote part of Saskatchewan on Friday and a suspect was in custody, Canadian Prime Minister Justin Trudeau said.
A winter storm that could bury parts of the U.S. Middle Atlantic region under nearly three feet of snow slammed into Washington, D.C. on Friday afternoon, threatening the nation's capital with record accumulations as it barrels up the populous East Coast.
US East Coast cities readied fleets of snow plows, thousands of flights were canceled or delayed and residents stocked up on groceries ahead of a winter storm.
Former US Marine Amir Hekmati, released by Iran in a prisoner swap last weekend, arrived home on Thursday after more than four years in jail in the Islamic Republic where he faced the death sentence at one point.
The solar system may host a ninth planet that is about 10 times bigger than Earth and orbiting far beyond Neptune, according to research published on Wednesday.
Molly Sano travels from the US to China to find her adopted son's biological parents, hoping to reunite the boy with his family before he becomes blind.