Lowell Observatory

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Press Releases

Lowell Observatory's outdoor astronomy exhibit with telescopes under a starry night sky.

Stellar Staff Highlight

08/22/2025

Lowell Observatory gate under starry night sky with visible constellations.

Astronomers discover NGC 3603-A1, one of the most massive binary star systems in the Milky Way. Using Hubble Space Telescope data, researchers measured two giant stars orbiting each other every 3.8 days, weighing 93 and 70 times our Sun's mass.

Stellar Staff Highlight

08/22/2025

Lowell Observatory gate under starry night sky with visible constellations.

Lowell Observatory mourns Dr. Michael C. J. Putnam, Sole Trustee 1968-1987, whose leadership transformed the observatory through groundbreaking astronomical discoveries and institutional modernization.

Cosmic Community Corner

07/07/2025

Lowell Observatory gate under starry night sky with visible constellations.

Galaxy clusters align across billion light-year distances, revealing invisible dark matter highways that shape the universe's largest structures, according to a groundbreaking study of 1.58 million clusters.

Press Releases

06/18/2025

Lowell Observatory gate under starry night sky with visible constellations.

Asteroid Day 2025 in Northern Arizona features Apollo astronaut Rusty Schweickart, astronomer Scott Manley, and author Mary Robinette Kowal at Lowell Observatory and Meteor Crater on June 30.

Grand Canyon Conservancy

04/16/2025

Lowell Observatory gate under starry night sky with visible constellations.

Join Lowell Observatory and Grand Canyon Conservancy for a free livestream on dark sky conservation, featuring expert astronomers discussing light pollution's impact on wildlife and ecosystems during National Park Week.

Press Releases

03/06/2025

Lowell Observatory gate under starry night sky with visible constellations.

Lowell Observatory in Flagstaff, Arizona has been voted the best science museum in the United States by Newsweek readers. The award recognizes its Astronomy Discovery Center and exceptional visitor experiences.

Events

01/17/2025

Lowell Observatory gate under starry night sky with visible constellations.

Lowell Observatory's Sixth Annual I Heart Pluto Festival runs February 13-17, 2025 in Flagstaff, Arizona, featuring keynote speakers Adam Nimoy, Dr. Alan Stern, and David Levy celebrating Pluto's discovery and New Horizons mission.

Press Releases

01/17/2025

Lowell Observatory gate under starry night sky with visible constellations.

ALMA observations reveal unexpected differences in circumstellar disks around binary stars DF Tau, challenging planet formation theories and showing disk evolution isn't solely time-dependent.

Stellar Staff Highlight

01/11/2025

Lowell Observatory gate under starry night sky with visible constellations.

Dr. Gerard van Belle appointed Director of Science at Lowell Observatory to lead astronomical research, advance stellar studies, and implement cutting-edge technologies in Arizona's premier research institution.