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. -
NASA's Nancy Grace Roman Space Telescope, set to launch this weekend, may shed new light on the nature of dark energy -- that mysterious force causing the universe to expand.
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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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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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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? -
The vaccine maker alleges that its rivals Pfizer and BioNTech used some patented features of its mRNA technology to develop their COVID vaccines. -
NASA's $10 billion new telescope showed the world something remarkable today: an image of some of the first galaxies to form in the universe.
