"Whatever that it is, it looks disgusting."
The astronaut recently arrived at the ISS on July 14.
The spacercraft is targeted to arrive at Saturn's moon Titan in 2034.
The three new arrivals will spend the next eight months living and working aboard the Space Station before returning to Earth in April 2027.
The NASA astronauts took the selfies aboard the International Space Station on June 30.
NASA's Lucy spacecraft collected the first close-up images and other data as it passed 650 miles away from the asteroid.
The moon base is "a central component of NASA's Artemis program" and is designed to establish the first sustained presence on the moon.
The rock, named 16 Psyche, potentially has a core of iron, nickel and gold worth $10,000 quadrillion.
The selfie was captured on March 11, the 1,797th day of the rover's mission.
The newly released shots include spectacular views of Earth rising over the lunar horizon.
