
Snow-covered mountains along the Kazakhstan-China border.

This illustration shows NASA’s Perseverance rover casting off its spacecraft’s cruise stage, minutes before entering the Martian atmosphere.

This illustration shows NASA’s Mars 2020 spacecraft carrying the Perseverance rover as it approaches Mars.

Astronaut Victor Glover reviews research procedures on a computer.

Astronaut Soichi Noguchi mixes samples for a biomedical study.

Expedition 64 Flight Engineer Soichi Noguchi gives a “thumbs up.”

Expedition 64 Flight Engineers Shannon Walker and Victor Glover participate in cargo transfer activities.

Astronaut Michael Hopkins conducts fiber optic research activities.

Ten NASA-sponsored CubeSats are preparing to fly on the agency’s next Educational Launch of Nanosatellites (ELaNa) mission, making this the…