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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). Credits: NASA/Goddard/University of Arizona
X Marks the Spot: NASA Selects Site for Asteroid Sample Collection

2 days ago

After a year scoping out asteroid Bennu’s boulder-scattered surface, the team leading NASA’s first asteroid sample return mission…
Why Are Particles Getting Ejected Off of Asteroid Bennu?

5 days ago

NASA’s OSIRIS-REx spacecraft arrived at asteroid Bennu in December 2018, and just one week later, it discovered something…
NASA’s OSIRIS-REx Mission Explains Bennu’s Mysterious Particle Events

December 6, 2019

Shortly after NASA’s OSIRIS-REx spacecraft arrived at asteroid Bennu, an unexpected discovery by the mission’s science team revealed…
NASA’s OSIRIS-REx in the Midst of Site Selection

December 5, 2019

NASA’s OSIRIS-REx mission is just days away from selecting the site where the spacecraft will snag a sample…
A supercomputer simulation by LLNL physicist Mike Owen illustrates how a 1 megaton nuclear detonation could impart enough energy onto the surface of the massive asteroid 101955 Bennu to nudge it off course, if it were to be on an Earthbound trajectory. The black dot is the simulated detonation location, around 100 meters from the surface at the equator. The colors show where X-rays would heat a thin layer of surface material. Blue areas would be heated, but not enough to eject material. All other colored areas would deposit enough energy to eject surface material and alter the asteroid’s velocity and trajectory.
Nuclear impulse could deflect massive asteroid

October 24, 2019

An interagency team of researchers led by Lawrence Livermore National Laboratory (LLNL) has completed the first ever in-depth…
NASA Mission Selects Final Four Site Candidates for Asteroid Sample Return

August 13, 2019

After months grappling with the rugged reality of asteroid Bennu’s surface, the team leading NASA’s first asteroid sample…
NASA Invites Public to Help Asteroid Mission Choose Sample Site

May 23, 2019

Citizen scientists assemble! NASA’s OSIRIS-REx mission to the asteroid Bennu needs extra pairs of eyes to help choose…
NASA Mission Reveals Asteroid Has Big Surprises

March 20, 2019

A NASA spacecraft that will return a sample of a near-Earth asteroid named Bennu to Earth in 2023…
A Region of Bennu’s Northern Hemisphere Close Up

March 17, 2019

This trio of images acquired by NASA’s OSIRIS-REx spacecraft shows a wide shot and two close-ups of a…
OSIRIS-REx Debuts New Bennu Mosaic, 3D Shape Model

December 12, 2018

This mosaic image of asteroid Bennu is composed of 12 PolyCam images collected on Dec. 2 by the…
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). Credits: NASA/Goddard/University of Arizona
NASA’s Newly Arrived OSIRIS-REx Spacecraft Already Discovers Water on Asteroid

December 11, 2018

Recently analyzed data from NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) mission has revealed water locked…
NASA’s OSIRIS-REx Spacecraft Arrives at Asteroid Bennu

December 4, 2018

NASA’s Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx) spacecraft completed its 1.2 billion-mile (2 billion-kilometer) journey to arrive at…
Taking the measure of an asteroid

December 4, 2018

CU Boulder scientists have a front row seat today to observe a NASA spacecraft as it arrives at…
We are at Bennu! What’s Next?

November 29, 2018

The UA-led OSIRIS-REx mission kicks into high gear while the spacecraft is on its final approach, closing in…
This image shows the OSIRIS-REx Touch-and-Go Sample Acquisition Mechanism (TAGSAM) sampling head extended from the spacecraft at the end of the TAGSAM arm. The image was obtained by the SamCam camera on Nov. 14, 2018 as part of a visual checkout of the spacecraft’s sample acquisition system. This is a rehearsal image for an observation that will be taken at Bennu during the moment of sample collection to help document the asteroid material collected in the TAGSAM head. There are two witness plate assemblies on the top perimeter of the TAGSAM head, one of which is entirely visible in this image. These witness plates record the deposition of material on the TAGSAM head over the duration of the mission, giving scientists a record of material on the TAGSAM head that is not from Bennu. Credits: NASA/Goddard/University of Arizona
TAGSAM Testing Complete: OSIRIS-REx Prepared to TAG an Asteroid

November 20, 2018

On Nov. 14, NASA’s OSIRIS-REx spacecraft stretched out its robotic sampling arm for the first time in space.…
OSIRIS-REx Captures ‘Super-Resolution’ View of Bennu

November 2, 2018

This “super-resolution” view of asteroid Bennu was created using eight images obtained by NASA’s OSIRIS-REx spacecraft on Oct.…
NASA’s OSIRIS-REx Executes First Asteroid Approach Maneuver

October 3, 2018

NASA’s OSIRIS-REx spacecraft executed its first Asteroid Approach Maneuver (AAM-1) today putting it on course for its scheduled…
NASA’s OSIRIS-REx Begins Asteroid Operations Campaign

August 28, 2018

After an almost two-year journey, NASA’s asteroid sampling spacecraft, the  Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer (OSIRIS-REx),…
OSIRIS-REx Captures First Glimpse of Asteroid Bennu

August 26, 2018

Using its multipurpose camera designed at the UA, NASA’s OSIRIS-REx spacecraft spied its target asteroid for the first…
Scientists design conceptual asteroid deflector and evaluate it against massive potential threat

March 16, 2018

Lawrence Livermore National Laboratory (LLNL) scientists are part of a national planetary defense team that designed a conceptual…
Arecibo Radar Returns with Asteroid Phaethon Images

December 23, 2017

Updated Version as of 11 am PST: corrections include close approach distance and size comparison to asteroid Bennu.…
Mission Status Update – Cruising Toward Asteroid Bennu

December 12, 2017

OSIRIS-REx is continuing outbound cruise operations, en route to arrival in August of 2018 at the asteroid Bennu.…
NASA’s Asteroid-Bound Spacecraft to Slingshot Past Earth

September 1, 2017

NASA’s asteroid sample return mission, OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, and Security – Regolith Explorer), will pass…
NASA’s OSIRIS-REx Begins Earth-Trojan Asteroid Search

February 10, 2017

A NASA spacecraft begins its search Thursday for an enigmatic class of near-Earth objects known as Earth-Trojan asteroids.…
Successful Deep Space Maneuver for NASA’s OSIRIS-REx Spacecraft

January 18, 2017

New tracking data confirms that NASA’s OSIRIS-REx spacecraft aced its first Deep Space Maneuver (DSM-1) on Dec. 28,…
Searching for Trojan Asteroids, Earth’s Unseen Companions

December 14, 2016

The University of Arizona-led OSIRIS-REx mission will take advantage of its two-year outbound cruise to the asteroid Bennu…
NASA Scientists see Asteroid through the Eyes of a Robot

December 8, 2016

Retrieving an asteroid sample is no easy task. Doing the job blindfolded is even more challenging. That’s why…
NASA Tests Thrusters on Journey to Asteroid Bennu

October 9, 2016

NASA’s OSIRIS-REx spacecraft fired its Trajectory Correction Maneuver (TCM) thrusters for the first time Friday in order to…
NASA’s Asteroid-Bound Spacecraft Aces Instrument Check

September 27, 2016

Its science instruments have been powered on, and NASA’s OSIRIS-REx spacecraft continues on its journey to an asteroid.…
OSIRIS-REx Mission Speeds Toward Asteroid

September 10, 2016

NASA’s first asteroid sampling mission, led by the University of Arizona, launched into space at 7:05 p.m. on…
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