OSIRIS-REx

This artist’s concept shows NASA’s OSIRIS-REx spacecraft descending towards asteroid Bennu to collect a sample of the asteroid’s surface. (Image: NASA/Goddard/University of Arizona)
May 21, 2020
After more than a decade of work and much anticipation, the UArizona-led OSIRIS-REx mission will swipe a sample from the asteroid Bennu's rocky surface in October.
The OSIRIS-REx spacecraft deployed its sampling arm during an April 14 mission rehearsal. (Photo: NASA/Goddard/University of Arizona)
April 21, 2020
The OSIRIS-REx spacecraft got within 200 feet of the asteroid Bennu during a practice run for the NASA mission. The spacecraft will grab a sample from Bennu's surface in late summer.
This image shows sample site Nightingale, OSIRIS-REx’s primary sample collection site on asteroid Bennu. The image is overlaid with a graphic of the OSIRIS-REx spacecraft to illustrate the scale of the site. (Image: NASA/Goddard/University of Arizona)
Dec. 12, 2019
The OSIRIS-REx mission team evaluated four candidate sites and identified site Nightingale as the best option for the sample collection, with site Osprey named as the backup.
This view of asteroid Bennu ejecting particles from its surface on January 6 was created by combining two images taken by the NavCam 1 imager onboard NASA’s OSIRIS-REx spacecraft: a short exposure image (1.4 ms), which shows the asteroid clearly, and a long exposure image (5 sec), which shows the particles clearly. (Photo: NASA/Goddard/University of Arizona/Lockheed Martin)
Dec. 5, 2019
NASA's OSIRIS-REx science team has identified three possible explanations for the particles that asteroid Bennu is consistently tossing into space.
The final four candidate sample collection sites shown on a map of asteroid Bennu. They are designated Nightingale, Kingfisher, Osprey and Sandpiper. Credit: NASA/Goddard/University of Arizona
Aug. 13, 2019
The OSIRIS-REx spacecraft has mapped Bennu to identify the best spots for the spacecraft to collect a sample. The final two sites – a primary and backup – will be selected in December.
Bennu's surface is rockier than expected, creating challenges for the team whose mission is to scoop up a sample of pristine material and return it to Earth in 2023. (Image: NASA/Goddard/UA)
March 19, 2019
The OSIRIS-REx spacecraft's first close-up observations of asteroid Bennu reveal new details that pose a challenge to the mission's objective of returning a sample to Earth.
(Image: Heather Roper/University of Arizona)
Dec. 31, 2018
On December 31, NASA's OSIRIS-REx spacecraft entered into orbit around the asteroid Bennu, and made Bennu the smallest object ever to be orbited by a spacecraft.
Keara Burke is an image processing intern on the UA-led OSIRIS-REx NASA mission.
Dec. 10, 2018
Systems engineering and mathematics double major Keara Burke is helping NASA's OSIRIS-REx spacecraft find the perfect place to collect samples on the asteroid Bennu.
This mosaic image of asteroid Bennu is composed of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from a range of 15 miles (24 km). (Image: NASA/Goddard/University of Arizona)
Dec. 10, 2018
Observations made by the spacecraft during its approach of Bennu reveal that the asteroid interacted with water in its early history and is an excellent specimen for the mission, which is slated to return a sample of surface material to Earth in 2023.

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