Space Scientists Look For Answers in OSIRIS-REx Photos
Particles and boulders pose new questions for planetary researchers.
OSIRIS-REx Photographs Unique Particles Blasted From Bennu
An unexpected discovery excites UA scientists leading the asteroid sampling mission.
The Journey of NASA'S OSIRIS-REx Mission
A look back at the UA-led mission's origins and next steps in 2019.
Rocks On Bennu Create Bump for OSIRIS-REx Sample Search
The scientists have found more rocks than expected on the surface of the asteroid Bennu.
Upcoming Milestones for OSIRIS-REx Mission
A discussion with the mission's image processing lead scientist.
Asteroid Receives Holiday Visitor: OSIRIS-REx Arrives at Bennu
About the size of an SUV, the spacecraft will shadow the asteroid for a year, before scooping up some gravel for return to Earth in 2023.
OSIRIS-REx is Arriving at Asteroid Bennu Monday
The UA-led mission will begin orbital operations after the spacecraft's initial journey of more than two years.
Earth's Gravity to Slingshot Asteroid-Bound Spacecraft to Target Friday
Maneuver uses Earth's gravity rather than fuel to put OSIRIS-REx on course.
UA Space Programs to Launch 'Asteroid Day' 2017 Stream
OSIRIS-REx, Catalina Sky Survey lead off programming.
UA to Get Early Sample of Asteroid for Study
The material should give a glimpse into the history of Bennu, and of the universe.
OSIRIS-REx Takes Photo of Jupiter, 3 Moons
UA-led mission testing out its cameras in search of Trojan asteroids.
OSIRIS-REx Spacecraft 'Aces' Its First Deep-Space Maneuver
Engines fired to set up gravity assist for the UA-led mission's spacecraft.
OSIRIS-REx Asteroid Mission Fires Engine in Space
Deep-space maneuver directs the UA-led spacecraft back toward Earth
Year-End: Space Missions Topped Arizona Science News
Science reporter Sara Hammond looks back at discovery and destinations.
On Way to Bennu, OSIRIS-REx Looks for 'Trojan' Asteroids
The rare objects are hidden from view of Earth's telescopes.
