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. -
The Lunar Trailblazer is an uncrewed mission to find water on the moon and determine its characteristics, accessibility and possible uses.
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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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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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As part of our summer series on sweat, we get answers to the questions: Do we need to sweat during sleep? And, why does a warm bath help you sleep, even if it makes you sweat?
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NPR begins a celebration of sweat — what it's made of, where it comes from and what it smells like. Spoiler alert: most of the time it doesn't have any smell at all.
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The head of the Russian space agency has said his country will end its participation in the International Space Station in 2024. What does this mean for the future of its partnership with NASA?
