OSIRIS-REx Asteroid Sample Return Mission at the Launch Pad

The ULA Atlas V rocket with NASA's Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft on board is seen illuminated in the distance in this thirty second exposure on Wednesday, Sept. 7, 2016, at Cape Canaveral Air Force Station in Florida. OSIRIS-REx is scheduled to launch Sept. 8.

Expedition 48 Crew Returns Home

The Soyuz TMA-20M spacecraft is seen as it lands with Expedition 48 crew members NASA astronaut Jeff Williams, Russian cosmonauts Alexey Ovchinin, and Oleg Skripochka of Roscosmos near the town of Zhezkazgan, Kazakhstan on Wednesday, Sept. 7, 2016(Kazakh time). Williams, Ovchinin, and Skripochka are returning after 172 days in space.

Expedition 48 Crew Lands Safely on Earth

The Soyuz TMA-20M spacecraft is seen as it lands with Expedition 48 crew members NASA astronaut Jeff Williams, Russian cosmonauts Alexey Ovchinin, and Oleg Skripochka of Roscosmos near the town of Zhezkazgan, Kazakhstan on Wednesday, Sept. 7, 2016 (Kazakh time).

Expedition 48 Crew Preparing to Return Home

Expedition 48 Commander Jeff Williams of NASA returns to Earth Tuesday, Sept. 6, 2016, after a five-and-a-half-month mission aboard the International Space Station. Williams captured this photograph and wrote, "I will certainly miss this view! Vast gratitude toward my crewmates, ground teams, supporting friends, and family."

Posbank Sunrise

Jupiter Down Under

This image from NASA's Juno spacecraft provides a never-before-seen perspective on Jupiter's south pole.

Ceres' Mountain Ahuna Mons: Side View

Ceres' lonely mountain, Ahuna Mons, is seen in this simulated perspective view. The elevation has been exaggerated by a factor of two. The view was made using enhanced-color images from NASA's Dawn mission.