Dr. Barbara Thompson will further explore the Sun-Earth connection and how it is being studied by the armada of ground-based and space-based observatories that are making more than a global effort, cooperating in the International Heliophysical Year (IHY). 

Discover how impacts shaped the Solar System we see today as Robert Strom guides us through the history of these dramatic events.

Through the decades of planetary exploration, a wide variety of spacecraft (orbiters, landers, rovers, and more) have revealed an amazing diversity of worlds, each with its own story to tell.  Learn about these remarkable journeys as James L. Green guides us through the 50-year voyage of discovery.

In this lecture, Robert Smith, professor of history at the University of Alberta, will examine how astronomers in the past set out to address fundamental questions about the universe. Tickets are free but required.

A century ago there was a "Great Debate" among astronomers if galaxies exist. Today, a new debate has arisen: How old is the Universe? Join Wendy Freedman, John and Marion Sullivan University Professor of Astronomy and Astrophysics at the University of Chicago, as she explores the options in this newest and most fascinating question.  

Dr. Tom Bogdan, Director of NOAA's Space Weather Prediction Center, will provide an overview of how space weather can affect our advanced technologies-based global economy. 

Learn what Phoenix taught us about water, climate cycles, and habitability on Mars as we travel with Peter Smith to a polar summer where the sun never sets.

Owen Garriott, one of the first six scientist-astronauts selected by NASA, will commemorate the human legacy of Skylab by drawing upon his experience as a member of the second Skylab crew.

In this Exploring Space Lecture, Carolyn Porco will discuss what we learned from the Cassini orbiter and what its final legacy is likely to be. Free tickets are required.