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Department of Earth, Atmospheric, and Planetary Sciences

The Department of Earth, Atmospheric, and Planetary Sciences has a great diversity of programs and intersecting disciplines, with faculty and students studying in fields such as Tectonics, Geophysics, Atmospheric Dynamics and Chemistry, Environmental Sciences, Biogeochemistry, Climate Change, Severe Weather, Planetary Sciences, Astrobiology, Data Science, and many other areas. We are committed to strategic initiatives in Diversity and Inclusion, Education, Interconnections between the Earth’s interior and surface, climate and sustainability, planetary exploration and spacecraft missions, and the development of emerging fields of study.

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Purdue professor reflects on NASA Challenger disaster, shares role in space shuttle's creation

The Purdue Exponent — Purdue professor Andrew "Andy" Freed is widely regarded as one of the most popular faculty members on campus, thanks to the high enrollment in his courses like EAPS 105 and EAPS 106. But while many are aware of his connection to space studies at Purdue, few know that he played a significant role in the creation of the NASA Space Shuttle Challenger — and its aftermath.

‘This Is Purdue’ earns Webby Award nomination for live astronaut panel during total solar eclipse; voting runs through Thursday

Over 50,000 guests. Fifty states. Thirty-five countries. Five continents. Five Purdue astronauts. And now one Webby Award nomination for Best Live Podcast Recording for the “This Is Purdue” live astronaut panel recorded during the Total Solar Eclipse Event at the Indianapolis Motor Speedway. Vote here!

Video: NASA asteroid samples give a snapshot of the past

Michelle Thompson, associate professor of earth, atmospheric and planetary sciences, describes OSIRIS-REx — NASA’s first mission to bring asteroid samples to Earth — and what scientists have learned from the samples since they arrived in 2023. Unlike the constantly shifting conditions on Earth, objects in space like asteroids have not been significantly altered since they were formed 4.5 billion years ago.

Are we alone in the universe? These Mars rocks could finally give us an answer.

National Geographic — The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins of life in our universe—if we can get them back to Earth. Purdue EAPS's Briony Horgan is quoted in the article.

March 2025 Lunar Eclipse at Purdue University

The Purdue Astronomy Club and Physics and Astronomy Outreach hosted a recent “all-nighter” lunar eclipse viewing party. The event attracted over 100 Purdue undergrads, grads, and staff. Amazing pictures from the event are shown in this exposure gallery.

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Earth, Atmospheric, and Planetary Sciences, 550 Stadium Mall Drive, West Lafayette, IN 47907-2051 • Phone: (765) 494-3258 • Fax: (765) 496-1210 • Contact Us

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