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Perseverance’s gDRT Gets a Test Under Vaccuum
This video captures a test of Perseverance’s Gaseous Dust Removal Tool (gDRT) in a vacuum chamber at NASA’s Jet Propulsion Laboratory in August 2020.
Perseverance Rover’s Abrading Bit
Perseverance’s gold-colored abrading bit takes center stage in this image of the rover’s drill taken by the Mastcam-Z instrument on Aug. 2, 2021, the 160th day of the mission to Mars.
Zooming in on Perseverance Rover’s ‘Kenmore’ Abrasion Patch
This close-up view of an abrasion showing distinctive tool marks created by the Perseverance’s abrading bit was acquired on June 5, 2025.
Perseverance Drills a Rock on Jezero Crater Rim
Before drilling into the rocky outcrop nicknamed Kenmore, Perseverance abraded the rock to determine whether it was worthy of drilling.
NASA-Assisted Scientists Get Bird’s-Eye View of Population Status
NASA satellite data and citizen science observations combine for new findings on bird populations.
What Are Asteroids? (Ages 14-18)
What are asteroids? Asteroids are rocky objects that orbit the Sun just like planets do. In fact, sometimes asteroids are called “minor planets.” These space rocks were left behind after our solar system formed about 4.6 billion years ago. Asteroids…
John Casani, Former Manager of Multiple NASA Missions, Dies
During his work on several historic missions, Casani rose through a series of technical and management positions, making an indelible mark on the nation’s space program. John R. Casani, a visionary engineer who served a central role in many…
Meet Rob Navias: Public Affairs Officer and Mission Commentator
Editor’s note: This interview was conducted in October 2023. As the International Space Station approaches 25 years of continuous human presence on Nov. 2, 2025, it is a meaningful moment to recognize those who have been there since the beginning—sharing…
NASA’s Perseverance Rover Scours Mars for Science
In addition to drilling rock core samples, the science team has been grinding its way into rocks to make sense of the scientific evidence hiding just below the surface. On June 3, NASA’s Perseverance Mars rover ground down a portion…
A Booming Bloom Returns to the Gulf of Maine
A type of phytoplankton called coccolithophores, less common in waters off New England since around 2010, made an impressive appearance in summer 2025.
Likely Saturn-Mass Planet Imaged by NASA Webb Is Lightest Ever Seen
Astronomers using NASA’s James Webb Space Telescope have captured compelling evidence of a planet with a mass similar to Saturn orbiting the young nearby star TWA 7. If confirmed, this would represent Webb’s first direct image discovery of a planet,…
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