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Zoë Wilbur is a fifth-year planetary sciences graduate student who studies cosmochemistry.

NASA’s OSIRIS-REx mission learned much about the potentially hazardous asteroid Bennu and its risk to Earth. Now, the mission will change hands and target a different kind of potentially hazardous asteroid, Apophis.

The center will bring together students and faculty from across campus and disciplines to unravel the enigma of life's beginnings and our place in the cosmos.

NASA's University of Arizona-led OSIRIS-REx mission has returned a sample that scientists will study for decades to learn more about the formation of the solar system.

The delivery from the asteroid Bennu, seven years after the spacecraft launched, marks the end of the space-voyaging phase of the mission. Scientists will now study the rocks and dust to better understand the origins of life on Earth.

After dropping off its historic sample from asteroid Bennu, the OSIRIS-REx spacecraft is headed to its next target: another potentially hazardous near-Earth asteroid, called Apophis.

The OSIRIS-REx spacecraft will deliver a sample from asteroid Bennu to scientists waiting in the Utah desert on Sept. 24.

A University of Arizona-led NASA mission nearly 20 years in the making is finally reaching its end, but the scientific investigation is only beginning.