Beginning with the attacks of September 11, 2001, the 21st century has seen a marked rise in the threat of terrorism. Since 1970, more than 3,900 people have been killed by terrorist attacks in the ...

See pictures and our review of Pay your respects at the National September 11 Memorial & Museum in New York City.

On the morning of September 11th, 2001, tragedy struck when two hijacked airplanes crashed into the World Trade Center towers in New York City. After that, everything changed. For the past twenty ...

Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial, ...

A deadly crash between an arriving aircraft and a fire truck at New York's LaGuardia airport reignited long-debunked conspiracy theories about the September 11, 2001 attacks on the World Trade Center, ...

The year 2026 will mark the 25th anniversary of the September 11, 2001 attacks, a milestone that has renewed concerns among security analysts about the potential symbolic use of the date by ...