Former President Obama says when he first entered the White House, he asked about aliens.

"The truth is that when I came into office, I asked. I was like, 'Alright, is there a lab somewhere where we're keeping the alien specimens and spaceship?' " Obama told host James Corden during a Monday interview on CBS's "The Late Late Show."

"And they did a little bit of research, and the answer was no," Obama said with a smile, while responding to a question about if he "had a theory" about unidentified aerial phenomena (UAP) and unidentified flying objects.

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"When it comes to aliens, there's some things that I just can't tell you on-air," the 44th president joked to Corden.

A "60 Minutes" report on Sunday shined a renewed spotlight on the topic of alien life and UAP. In an interview on the news program, Sen. Marco RubioMarco Antonio RubioSenate holds sleepy Saturday session as negotiators finalize infrastructure deal Break glass in case of emergency — but not for climate change Democrats join GOP in pressuring Biden over China, virus origins MORE (R-Fla.) said that elected officials need to learn more about potential UFOs and the Department of Defense should "have a process to take it seriously."

"What is true, and I'm actually being serious here, is there's footage and records of objects in the skies that we don't know exactly what they are," Obama said Monday.

"We can't explain how they move, their trajectory. They did not have an easily explainable path," he added of the mysterious images. "So I think people still take seriously trying to investigate and figure out what that is."

"But I have nothing to report to you today," Obama said.