World Trade Center

"Though Rick has left this earth, we will ensure that the memory of his deeds will never ever be forgotten," Trump said.

A commemoration ceremony will be taking place at the 9/11 Memorial plaza at the World Trade Center site in Lower Manhattan, starting at 8:40 a.m. EST, September 11, 2019.

Two beams of light shining four miles into the sky from dusk until dawn pull migrating birds off course, researchers have found.

"This research can help provide the best care for individuals exposed to the World Trade Center disaster," an expert told Newsweek.

"This is their 9/11," Beck said, suggesting without evidence that the blaze may have been set intentionally.

"When they built the World Trade Center it became known as the second-tallest, and now it's the tallest," Trump said of his building 40 Wall Street hours after the 9/11 attacks.

Both ceremonies will begin shortly before the planes crashed.

At least 173 FDNY responders have died of illnesses related to the operation at Ground Zero 16 years ago.

"I believe that Trump is doing such a good job of turning Americans against each other instead of unifying them... that anyone who does want to hurt us would have every right to sit on their laurels and wait around until he's done to get back at it."

On Mother's Day, Patricia Smith, now 17, traveled to Camp Justice in Guantanamo Bay, where Al-Qaeda operative Walid bin Attash is attending pretrial hearings.

Omar Abdel-Rahman, 78, had been convicted of conspiring with those who killed six people and injured more than 1,000 in the 1993 World Trade Center bombing.

Congress overrides an Obama veto for the first time during his administration.

When night falls, spotlights will project two beams of light to represent the fallen Twin Towers.

Some say visitors display disrespectful behavior at the site of the World Trade Center attack, taking selfies, letting their kids run wild and more.

Ari Fleischer's handwritten notes reveal a president anxious to strike back against the architects of the 9/11 terror attacks.

The concertgoer lived by playing dead as the attackers opened fire around him.

Friday marked the 14th anniversary of the September 11, 2001, attacks.

The national security apparatus can never be dismantled. There is no return to a pre-9/11 world.

The nonprofit MyGoodDeed encourages people to volunteer, give to charity and do other good deeds on September 11.

Mark Rossini is determined to find out why the CIA didn't share vital information.

Planning laws may be stifling more than New York's architectural exuberance.

A former FBI agent is determined to find out why the CIA refused to share information that may have stopped 9/11.

The Oscar-nominated actress steps across the minefield of Middle East politics in "Honourable Woman."

Tourists and New Yorkers recall where they were when the Twin Towers fell

Just how much calendar dates, like the 11th day of September, factor into jihadists' attack plans is unclear

The museum, located the former site of the World Trade Center, opened last May

The 9/11 Museum makes no mention of the Arabic community that thrived nearby in lower Manhattan