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Articole: 11
  1. A Course on Aliens in Science & Science Fiction for People Over 50

    I am teaching a fun, 6-week, non-credit course on the search for intelligent life among the stars, offered (by zoom or in person) through the San Francisco State University Osher Lifelong Learning Institute, starting Sept. 30.

  2. A Nice (Almost Total) Eclipse of the Moon Aug. 27

    On the evening of Thursday, August 27th, a beautiful eclipse of the Moon will be visible throughout North America.

  3. “I Swallowed a Martian” and Water on Mars

    NASA’s Perseverance rover, which has been exploring the Jezero crater on Mars since 2021 has just logged 26 miles of total travel, the equivalent of a marathon.

  4. Sunday is Both Father’s Day and the Summer Solstice

    Sunday, June 21 is not only father’s day, but also the summer solstice — the longest daytime (and shortest nighttime) of the year, for the Northern Hemisphere.

  5. The Lunar Tourist Attraction the Artemis Astronauts Will be Looking For

    I hope you are allowing the trip four humans are taking around the Moon to distract you a bit from all the problems we are facing down here on Earth!

  6. My Science Fiction Story “Who Speaks for Earth” Just Published; Free Link

    I am tickled to report that The Worlds Within magazine has just published my science-fiction story “Who Speaks for Earth.”

  7. Heads Up: Total Eclipse of the Moon Coming March 3

    I wanted to give you advance notice of something coming in our skies.

  8. Webb Telescope Shows Glittering, Massive Cluster of Galaxies

    The James Webb Space Telescope continues to send us remarkable images and information.

  9. What’s Coming in the Sky in 2026?

    We are all hoping for a better 2026 on Earth than 2025 was.

  10. Winter Solstice Arrives on Sunday Dec 21

    The 2025 Winter Solstice is Sunday, December 21, at 7:03 am PST.

  11. A Course Via Zoom on Atomic Science for Everyone

    I am teaching a new Zoom course on the mysterious world of the atom, with lots of visuals and no math.