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    Images from the night of 2025 SC79’s discovery showing its motion relative to background stars. Photographs courtesy of Scott S. Sheppard.
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    October 16, 2025

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    Artist's conception of moon-forming environment. Credit: NASA, ESA, CSA, STScI, Gabriele Cugno (University of Zürich, NCCR PlanetS), Sierra Grant (Carnegie Institution for Science), Joseph Olmsted (STScI), Leah Hustak (STScI)
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Scott Sheppard Portrait

Scott Sheppard

Staff Scientist

Artist illustration of WASP-39b, courtesy of NASA, ESA, and J.Olmsted
August 25, 2022

First Clear, Detailed, Indisputable Evidence Of Carbon Dioxide Found In Exoplanet Atmosphere

Sally June Tracy

Sally June Tracy

Staff Scientist

Mike Walter

Michael Walter

Director

Diana Roman Headshot

Diana Roman

H.O. Wood Chair of Seismology

A composite image showing the Hayabusa2 spacecraft approaching the Ryugu asteroid. Spacecraft image is courtesy of NASA. Asteroid image is courtesy of JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, Aizu University, and AIST.

A composite image showing the Hayabusa2 spacecraft approaching the Ryugu asteroid. Spacecraft image is courtesy of NASA. Asteroid image is courtesy of JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, Aizu University, and AIST.

August 15, 2022

Dust Grains Older Than Our Sun Found In Asteroid Ryugu Samples

Iridescent opalized ammonite. Credit Dr. Robert Lavinsky
July 01, 2022

Nature Used 57 Recipes To Create Earth’s 10,500+ “Mineral Kinds”

A chondrite that fell in Chile's Atacama Desert. Image purchased from Shutterstock.
June 28, 2022

Unraveling A Meteorite Mystery Reveals Solar System Origin Story

Marilyn Fogel
May 13, 2022

“Isotope Queen” Marilyn Fogel Dies At 69

Nitrogen period table illustration purchased from Shutterstock
April 26, 2022

The Pathway To Pure Polynitrogen

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