Dusty solar panels and darker skies are expected to bring the Mars lander mission to a close around the end of this year.
The Moon, with Earth's shadow draping across it during a lunar eclipse, is pictured from the International Space Station.
Several bodies of water are pictured including Lake Albert (at lower left); and Lakes Kwania, Kyoga, and Kojweri (at center); and Lake Victoria (at bottom right); as the International Space Station orbited 261 miles above Uganda.
Massive deposits of sediments rich in hydrated sulfates are found in central Valles Marineris. Such deposits on Earth are soft and easily eroded, and that appears to be true on Mars as well.
Move crews at NASA's Michoud Assembly Facility lift the aft liquid oxygen tank (LOX) barrel out of the Vertical Weld Center (VWC) for its next phase of production.
Deep space exploration offers the most profound opportunity for the expansion of humanity and our understanding of the Universe, but remains extremely challenging.
The International Space Station is gearing up for the targeted arrival of Boeing's Starliner crew ship on the company's Orbital Flight Test-2 (OFT-2) mission.
The waning crescent Moon is pictured from the International Space Station as it flew into an orbital sunrise 260 miles above the Atlantic Ocean off the northwest coast of the United States.