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Comet Catalina Makes Brief Appearance

Discovered by Catalina Sky Survey in 2013

Small Crater on Arcuate Ridge West of Olympia Mensae

AZ WEEK: Exploring Mars on Silver Screen, in UA Research

University of Arizona's connection to planetary science dates to dawn of Space Age.

Dark streaks are evidence of water flowing on surface of Mars, UA and other scientists say.

'Strongest Evidence' Mars Has Water, UA Scientist, Others Say

UA's HiRISE imaging equipment captured information leading to conclusion.

Tucson Residents Focus on the Moon, Celebrate Science

Groups encourage residents to "look up and be inspired."

This artist's concept depicts one possible appearance of the planet Kepler-452b, the first near-Earth-size world to be found in the habitable zone of star that is similar to our sun. The habitable zone is a region around a star where temperatures are right for water -- an essential ingredient for life as we know it -- to pool on the surface. Scientists do not know if Kepler-452b can support life or not. What is known about the planet is that it is about 60 percent larger than Earth, placing it in a class of planets dubbed "super-Earths."

Whipple Observatory Supplied Data for Planet Discovery

First near-earth-size planet in habitable zone

Mirror blank construction at the University of Arizona Richard F. Caris Mirror Lab

UA Making Biggest Mirrors for World's Biggest Telescope

Earthbound Giant Magellan Telescope will see 10 times better than Hubble.

Tucson Technology to Photograph Jupiter's Moon

University of Arizona researchers' instruments win ride aboard journey to Europa

Artist's rendering of the Giant Magellan Telescope.

UA Gets $20M to Help Build World's Largest Telescope

Scottsdale businessman's donation will help pay for 8 mirrors for instrument to be installed in Chilean mountains.

OSIRIS-REx is an asteroid sample return mission.

Ukraine Crisis, Other Global Politics Imperil OSIRIS-REx Mission

Team plans to use rocket which runs on a Russian-made engine; Canadian government funding couldn't be secured.

We talk to Teresa Lappin, Member of the Tucson Amateur Astronomy Association, and Robert Gilroy, President of the Tucson Amateur Astronomy Association, about their organization's history, goals and projects.

Friends of Stars, Skies in S. AZ

Tucson Amateur Astronomy Association is celebrating 60 years in the community; they are connected to all things astronomy.

OSIRIS REx Moves From Planning Phase to Fabrication

Latest NASA project for the UA is one step closer to launch; its ultimate goal is bringing back a piece of an asteroid to Earth.

UA-Led Research Team Finds New Planet

Gas giant discovered orbiting around star outside Earth's solar system; relatively young at 13 million years old.

Shaunna Morrison, University of Arizona Ph.D Student, discusses her recent discovery of beach sands on Mars.

UA Doctorate Student First to Identify Minerals on Mars Surface

What they have is basaltic sand, made from eroded lava, similar in composition to sand found here on earth in places such as Hawaii.

Mark Candy, collections manager at the University of Arizona Mineral Museum, gives insight and history of the Mineral Museum.

UA Mineral Museum Receives Its Largest Donation Ever

The collection will help create database used for non-destructive sampling technology.

The mission to collect samples from the asteroid 1999 RQ36 is scheduled to launch in 2016, and will return to earth in 2023.

UA Mission Will Touch Asteroid

Watch AZ illustrated Science tonight, 6:30, PBS 6

Adam Block, manager of the UA-operated Mount Lemmon Sky Center, talks about the PanStarrs Comet which he was able to photograph.

2013: Year of the Comet

Scientists are excited about astronomical opportunities

More Astronomy Science Tucson Stories