Officials say it will take decades to replace and revitalize trees at the national memorial in western Pennsylvania to the crew and passengers who died there when a hijacked airplane crashed on Sept.

"We were looking at NY around the time of, or shortly after, the collapse of the second tower," an astronaut wrote in his ...

This year’s triathlon is Sept. 20. Registration is limited to 250 participants, and athletes of all fitness levels and age groups are invited to compete solo or in teams of two or three.

They're supposed to. I'm not so sure." Article 5 was invoked after the Sept. 11, 2001, attacks, leading to NATO's largest operation in Afghanistan. France's military participated in the operation.

WASHINGTON — President Donald Trump on Thursday expressed uncertainty that NATO would come to the U.S.’s defense if the country were attacked, though the alliance did just that after Sept.

WASHINGTON — (AP) — President Donald Trump on Thursday expressed uncertainty that NATO would come to the United States' defense if the country were attacked, though the alliance did just that after ...

Trump Casts Doubt on NATO Solidarity, Despite It Aiding the US After Sept. 11 WASHINGTON (AP) — President Donald Trump on Thursday expressed uncertainty that NATO would come to the United States ...