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Does 'Planet Nine' Exist? NAU Astronomer Says Maybe

Three objects discovered at edge of solar system may lead to planet's existence.

Hours Remain to Scheduled Launch of OSIRIS-REx

Mission leaders expect success in launch that will start 7-year journey.
The OSIRIS-REx rocket is moved to the launch pad on Sept. 7, one day before the opening of the launch window.

One Day Remains to Launch of UA Asteroid Mission

Chance blastoff will be postponed is minimal, researchers say.

Bus Fare Debate: Tucson Wants Revenue; Riders Say No

Plus: Election Recap, OSIRIS-REx Preview, and US Supreme Court Justice Elena Kagan speech.
"OSIRIS-REx: Countdown to Launch" is an in- depth look at the science and scientists behind OSIRIS-REx …the University of Arizona based mission to send a spacecraft to an asteroid, collect a sample, then return that sample to earth.

Countdown Under Way for UA Mission to Asteroid

OSIRIS-REx spacecraft scheduled for launch Thursday to bring back soil sample.
A United Launch Alliance Atlas V rocket lifts off from Cape Canaveral Air Force Station.

NASA: UA Space Launch On Track Despite Rocket Explosion

Incident at adjacent launchpad prompts look at potential effects on asteroid mission.

Just Days Remain Until UA's Asteroid Mission Launch

University of Arizona-led OSIRIS-REx aims to bring back a few ounces of Bennu by 2023.
Kuiper Space Sciences Building at the University of Arizona.

Asteroid Mission Focus of UA Planetary Science Open House

Next door, the Flandrau Science Center will unveil its renovated planetarium theater.
A United Launch Alliance Atlas V rocket lifts off from Cape Canaveral Air Force Station.

OSIRIS-REx Rocket Ready for Dress Rehearsal

With blastoff around the corner, UA-led mission's ride heading to launch pad for testing

UA Asteroid Mission Aims for Clues to Solar System Origins

OSIRIS-REx launch window opens Sept. 8; flight scheduled for 7 years.
The NOAO Mayall 4-meter telescope at the Kitt Peak National Observatory.

UA Scientists to Make 3-D Map of Universe for Dark Energy Clues

Kitt Peak instrument will measure light of 35 million objects over 5 years.
An artist's conception of the OSIRIS-REx spacecraft at the asteroid Bennu

OSIRIS-REx Mission Undergoing Finishing Touches for Launch

Scientists say spacecraft in good shape; scheduled launch is 34 days away.
NASA's Juno mission to Jupiter will examine the origin and evolution of the solar system's largest planet.

Tucson Planetary Researcher Awaits Far Out Photo Op

Camera aboard spacecraft Juno, now orbiting Jupiter, soon wll deliver images.
An artist's concept of select planetary discoveries made by NASA's Kepler space telescope.

Astronomers, Led by UA, Confirm 100-Plus New Planets

Celestial bodies could contain clues about our solar system's formation.
Space shuttle Endeavour and its six-member STS-134 crew head toward Earth orbit and rendezvous with the International Space Station. Liftoff was at 8:56 a.m. (EDT) on May 16, 2011, from Launch Pad 39A at NASA's Kennedy Space Center.

Tucson Company Improving Space Mission Water Quality

Paragon Space Development process increases recycled water.
NASA's Juno mission to Jupiter will examine the origin and evolution of the solar system's largest planet.

UA Scientist to Delve into Jupiter's Secrets in Flyby

Juno spacecraft reaches solar system's largest planet July 4 after five-year journey.

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