Joe Palca
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NASA's Nancy Grace Roman Space Telescope launches Aug. 30 on a mission to explore some of the most pressing mysteries of the cosmos. -
Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer. -
The Lunar Trailblazer orbiter's launch window opens Feb 26. It's catching a ride with Intuitive Machines IM-2 mission which is landing on the moon near the south pole. Both have instruments for looking for water. -
Here's NPR correspondent Joe Palca, from a 1993 broadcast, to commemorate the anniversary of the discovery of the structure of DNA.
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Correspondent Joe Palca is retiring after 30 years covering science for NPR. We have an homage to his work - sometimes silly, sometimes serious, always scientific.
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More than two decades ago a small probe carrying an even smaller rover landed on Mars. Pathfinder and the Sojourner rover paved the way for sophisticated robotic explorers that have landed since 1997.
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Technicians are putting the final touches on the world's largest digital camera at the SLAC National Accelerator Laboratory. The camera will be sent to Chile and installed on a telescope in the Andes.
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NASA's InSight probe landed on Mars in 2018 to help scientists study the planet's interior. But Martian dust has been building up on InSIght's solar arrays, which could end its mission.
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A new report commissioned by the National Science Foundation finds a culture of silence and fear among employees at U.S.-run facilities in Antarctica. -
The inventors of Corbevax said it was cheap, easy to make, effective and safe. They hoped it could bring vaccine equity to countries that can't access costlier shots. Has it lived up to its promise?
