More OSIRIS-REx Stories

OSIRIS-REx mission enters home stretch

UA-backed spacecraft is less than a month away from its first asteroid sampling attempt.

Successful OSIRIS-REx rehearsal boosts optimism

The rehearsal put the spacecraft within 40 meters of the asteroid Bennu's surface.

OSIRIS-REx completes successful rehearsal above asteroid's surface

The mission is scheduled to collect a sample of material from the asteroid Bennu in October.

OSIRIS-REx passes milestone by rehearsing approach to asteroid

The first major rehearsal had the added challenge of COVID-19, which meant the mission's team could not be together for the test.

Discussions continue about mysterious particles around asteroid Bennu

Scientists say the objects, first detected in January, pose no threat to the OSIRIS-REx mission

OSIRIS-REx Mission Milestones

An excerpt from the Arizona Public Media documentary OSIRIS-REx: Countdown to Launch.

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.

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