On Jan. 3, 1962, the newly announced Mercury Mark II project was renamed Project Gemini. This artist's concept of a two-person Gemini spacecraft in flight shows a cutaway view.
THE OSIRIS-REx mission will map and return samples from asteroid Bennu, a carbon-rich hunk of rock that might contain organic materials or molecular precursors to life. OSIRIS-Rex is expected to reach Bennu in August, 2018.
In September 2017, a new iceberg calved from Pine Island Glacier—one of the main outlets where the West Antarctic Ice Sheet flows into the ocean.
An astronaut aboard the International Space Station took this photograph of the city lights of Naples and the Campania region of southern Italy.
These images show a subtle feature on dwarf planet Ceres called Kwanzaa Tholus.
The Hubble Space Telescope captured what looks like a colorful holiday ornament in space. It's actually an image of NGC 6326, a planetary nebula with glowing wisps of outpouring gas.
On Dec. 21, 1968, the Apollo 8 crew leaves the Kennedy Space Center's then-named Manned Spacecraft Operations Building during the mission's prelaunch countdown on the way to their history-making lunar orbiting flight.