NASA is currently targeting Feb. 8 for Artemis 2's liftoff, which will take place from Launch Complex-39B at Kennedy Space Center (KSC) in Florida. The SLS-Orion stack rolled out to Pad 39B from KSC's cavernous Vehicle Assembly Building on Jan. 17.

As NASA completes final preparations for the Artemis II mission, including a critical 'wet dress rehearsal,' former astronaut Leroy Chiao spoke with NBC News' Brian Cheung about the anticipated missio...

The delay stems from a wave of Arctic air that has brought extreme cold to the U.S. in recent weeks.