The following is the full transcript of an interview with NASA Administrator Jared Isaacman that aired on "Face the Nation with Margaret Brennan" on April 5, 2026.

Inside the stomach of an ancient wolf puppy found entombed in Siberian permafrost, scientists discovered meat from a woolly rhinoceros — and sequenced its genome.

"This discovery ends a protracted search for these waves that has its origins in the 1940s."