Trump’s new decor of the Oval Office could reflect the president’s Mars-bias, chucking the lunar rock out of the White House.

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Corrections & Clarifications: An earlier version of this story misstated the date of the Space Shuttle Columbia disaster. It occurred Feb. 1, 2003. For millions of Americans, it was an event that ...

NASA recently paid tribute to the Challenger crew and other fallen astronauts during its annual Day of Remembrance.

as well as other astronauts of Apollo 1 and space shuttle Columbia, during its annual Day of Remembrance ceremony on Jan. 23. "Today, we honor the heroes of our program who made the ultimate ...