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Planetary Science

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Planets, solstice and asteroids: 5 stargazing events for June 2026
Science

Planets, solstice and asteroids: 5 stargazing events for June 2026

  • Janet Loehrke USA Today
  • Updated Jun 5, 2026

There will be plenty of celestial events this June, from planetary conjunctions and the summer solstice to a micro full Strawberry Moon.

Blue moon occurs on Sunday
State

Blue moon occurs on Sunday

  • Tiffany Acosta Arizona Republic
  • Updated May 30, 2026

May features a double celestial event. This month, there are two full moons because the lunar cycle is shorter than the calendar month of May.…

Moon and Venus to align in uncommon conjunction. Here's how to see it
Science

Moon and Venus to align in uncommon conjunction. Here's how to see it

  • Eric Lagatta USA Today
  • May 18, 2026

The moon is about to have more company for one night in May, and skygazers should easily be able to see it.

Visitors can go to the bottom of Arizona's Meteor Crater
State

Visitors can go to the bottom of Arizona's Meteor Crater

  • Michael Salerno Arizona Republic
  • Updated May 18, 2026

This moth Meteor Crater started offering guided hikes into the crater's floor, allowing visitors to follow the paths NASA astronauts used to prepare for lunar missions.

Trump's NASA cuts would leave U of A asteroid mission dead in space
Local news

Trump's NASA cuts would leave U of A asteroid mission dead in space

  • Henry Brean
  • Updated May 13, 2026

The Trump administration wants to cancel funding for several NASA science missions with ties to the University of Arizona, including the OSIRIS-APEX asteroid probe that’s already flying through space.

How researchers use Arizona landmarks to prepare for future Moon landing
State

How researchers use Arizona landmarks to prepare for future Moon landing

  • Tyler Mitchell Cronkite News Service
  • Updated May 4, 2026

TEMPE —  Even as the world celebrated the success of the Artemis II mission, researchers in Arizona were already looking ahead to Artemis III. 

NASA chief: Make Pluto a planet again
State

NASA chief: Make Pluto a planet again

  • Eric Lagatta USA TODAY
  • Updated Apr 30, 2026

For two decades the icy world discovered in Arizona in 1930 has been the focus of debate over its planethood.

Lyrid meteor shower 2026: When, where to see meteors light up the sky
Science

Lyrid meteor shower 2026: When, where to see meteors light up the sky

  • Janet Loehrke, USA Today
  • Apr 19, 2026

On the night of April 21-22, sky watchers will have the chance to catch sight of several shooting stars as the Lyrid meteor shower is expected to reach its peak.

Civil calendar is based on the sun

  • Tim Hunter Special to the Arizona Daily Star
  • Updated Apr 9, 2026

Easter and Passover are based on a lunar calendar. Our civil calendar is based on the sun, with a day defined as 24 hours, and a year defined …

Tucson-based Planetary Science Institute launches space art exhibit featuring one of its founders
Local news

Tucson-based Planetary Science Institute launches space art exhibit featuring one of its founders

  • Henry Brean
  • Updated Mar 27, 2026

The Planetary Science Institute will debut a collection of space art by one of its founding scientists and other artists at its headquarters in Tucson on Sunday.

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