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A rendering of Earth from space.

Radar Links Wastewater Pumping to Earthquakes

Technology observing dips and buckles of Earth found uplift near injection wells.

Bus Fare Debate: Tucson Wants Revenue; Riders Say No

Plus: Election Recap, OSIRIS-REx Preview, and US Supreme Court Justice Elena Kagan speech.

UA Asteroid Mission Aims for Clues to Solar System Origins

OSIRIS-REx launch window opens Sept. 8; flight scheduled for 7 years.
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.
False-color image of a 2011 Geminid meteor, seen by a camera at New Mexico State University.

Two Meteor Showers Will Dazzle in Arizona's August Sky

Overlapping showers mean lots of visible shooting stars.
The barred spiral galaxy NGC 6217 is the first image of a celestial object taken with the newly repaired Advanced Camera for Surveys (ACS) aboard the Hubble Space Telescope.

Flagstaff Astronomers Find Planet Orbiting Young Star

Prior discoveries of big planets were limited to old stars; this one's 'only' 2 million years.
Computer generated image of objects in Earth orbit. Approximately 95 percent of the objects in this illustration are orbital debris (i.e., not functional satellites).

Meet Outer Space's First Traffic Controller, in Residence at UA

Research aims at keeping Earth-orbiting objects moving safely.

Mercury Will Pass Between Earth, Sun in Rare Event

Mount Lemmon SkyCenter to host program for early-morning viewing.
An illustration of a World View balloon above the Earth.

Pima County Sued Over $15M Spaceport for Private Company

Goldwater Institute claims it's unconstitutional because cost outweighs taxpayer benefit.

NASA Awards Arizona Small Businesses Mission Funding

Tucson-based Paragon Space Development creating insulation.
The WIYN Observatory with a 3.5-meter telescope atop Kitt Peak National Observatory.

New Instrument at Kitt Peak to Search for Exoplanets

NEID will measure the tiny back-and-forth wobble of a star.
Computer generated image of objects in Earth orbit. Approximately 95 percent of the objects in this illustration are orbital debris (i.e., not functional satellites).

UA Leads Effort to Understand, Track Space Junk

Millions of objects threaten spacecraft in Earth’s orbit
This image of the dwarf planet was captured from New Horizons on July 13, 2015, about 16 hours before the moment of closest approach. The spacecraft was 766,000 kilometers from the surface.

Researcher: Part of Pluto Younger Than Thought

Photos show one region with smooth surface, indicating it is less than 10 million years old.

Comet Catalina Makes Brief Appearance

Discovered by Catalina Sky Survey in 2013

Mark Kelly's Mousetronaut Takes a Trip into Space

A local author’s books about space travel are now truly out of this world.
Comet C/2013 US10 Catalina shows off a compact green coma and two tails in this photo taken Nov. 22, 2015, at dawn from Arizona. The green color comes from carbon compounds fluorescing in UV sunlight. Photo by Chris Schur

Astronomer Shares 'Science Snacks' With Podcasts

Comet recording exceeded 100,000 downloads

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