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Dr. Sky

  • Dive deep into the mystery of Saturn’s ring system

    Saturn exhibits one of the most amazing structures in the entire solar system, a true well developed ring system.
  • Arizona sky watchers can witness total lunar eclipse next weekend

    A total lunar eclipse will be best seen by Arizona sky watchers during the late evening until about midnight on the night of Jan. 20. 
  • SpaceX planning first crewed vehicle launch

    SpaceX had 21 successful rocket launches in 2018 and plans for an even more aggressive schedule in 2019, including multiple launches of the Falcon Heavy.
  • The strange world of NASA spacecraft target ‘Ultima Thule’

    NASA's New Horizons spacecraft flew past the the mysterious, primitive object nicknamed Ultima Thule on New Year's Day. You can view the results here.
  • Here are the sky events for Arizonans to plan for in 2019

    As we close out 2018, what can we expect for 2019? Arizona sky watchers have some really exciting events to look forward to.
  • Arizonans can see year’s brightest comet, 46P/Wirtanen, this week

    Arizonans looking to witness the year's brightest comet, comet 46P/Wirtanen, as it comes within 8 million miles of Earth can do so Sunday night.
  • December skies offer something for everyone with variety of objects

    The last month of the year offers up a great variety of objects to view from our Arizona skies, including the moon, Mars, Venus and a meteor shower.
  • Witness the potential return of a 19th century meteor shower

    As we reach the end of 2018, we still have some remaining Leonid meteors streaking across our Arizona skies, as well as the upcoming Geminid shower, which should peak around mid-December.
  • Changes are coming to the sun with start of solar cycle 25

    The sun goes through a period of 11-year and 22-year cycles and during peak solar cycles we experience a large number of sunspots and related solar events. These sunspot events can wreak havoc on the upper atmosphere of the earth.
  • It’s a great time of year to view the amazing Orion Nebula

    With the clear skies that accompany this time of year, get set to see one of the most spectacular objects in all the night sky. The great Orion Nebula is coming into view.