A record seven spacecraft are operating at Mars this year, including the first Mars mission from India, a European orbiter, and five U.S. spacecraft. Join Center for Earth and Planetary Studies geologist Ross Irwin as he discusses recent news from Mars and provides a brief overviews of these missions being completed by five orbiters and two rovers.

Meet at the Museum "Great Seal", in the Boeing Milestones of Flight Hall on the first floor.

About the Ask an Expert lecture series: Every Wednesday at noon in the National Mall Building, a Museum staff member talks to the public about the history, collection, or personalities related to a specific artifact or exhibition in the Museum.