How did life originate? Did it form on Earth or elsewhere in the solar system and was it seeded on Earth by impact of an ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

New results from OSIRIS-REx, NASA’s first asteroid sample return mission, reveals why some gray asteroids reflect light at different wavelengths, like red or blue, more strongly. How these asteroids ...

Jessica Barnes examines a vial containing sample particles at the Kuiper-Arizona Laboratory for Astromaterials Analysis, located at the University of Arizona. Asteroid Bennu — the target of NASA's ...

Just as the University of Arizona-led spacecraft OSIRIS-REx prepares to begin orbiting the asteroid Bennu, it turns out the consequences of President Trump’s continued government shutdown over a ...

Upon a successful return to Earth next year, the OSIRIS-REx spacecraft will be the first American mission to retrieve a sample from an asteroid. But NASA announced last week that the story won’t end ...

Researchers discovered sugars essential for biology, including glucose, in the asteroid material for the first time. A strange, pliable substance nicknamed "space gum" was also found, which could have ...

NASA OSIRIS-REx sample collection event at Asteroid Bennu saw the spacecraft plunge its arm into the surface. Find out how ...

NASA’s OSIRIS-REx spacecraft is closing in on the asteroid Bennu after more than two years of flight and is sending home some incredible travel photographs. This week, “super resolution” images of the ...

The University of Arizona-led OSIRIS-REx team will conduct a final test run on Tuesday, Aug. 11, for its asteroid sampling mission this fall but will have to wait until Wednesday morning to find out ...

Ingredients essential to kick-start life have been discovered in samples collected from the asteroid Bennu. NASA's OSIRIS-REx mission was led by researchers at the University of Arizona and Arizona ...