The enormous globular star cluster Omega Centauri has baffled astronomers for decades. It should be full of black holes left by exploding stars, but the evidence for them is scarce. Now, astronomers using archival data from NASA’s Hubble Space Telescope and supporting observations from NASA’s James Webb Space Telescope have finally located their first stellar-mass
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From declining annual sea ice extent to greening tundra, environmental change has been gradually unfolding in the Arctic for decades. However, some changes have come more abruptly. Satellite, aerial and ground surveys spanning more than 1,000 kilometers (600 miles) along Alaska’s Brooks Range have observed stream water changing from clear to orange in more than
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Analyzes of the scientific evidence led doctors to recommend that babies sleep on their backs.Credit: Yamaguchi Haruyoshi/Corbis/Getty Beyond Credibility: How Evidence Shows What Really Works Helen Pearson Princeton University. Press (2026) Consolidating the use of evidence in health and public policy has required decades of challenging work. Fifty years ago, doctors used to think that
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Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
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Receive the daily Popular Science newsletter💡 Breakthroughs, discoveries and DIY tips delivered six days a week. By registering, you confirm that you are over 16 years of age, will receive newsletters and promotional content, agree to our Terms of Use, and acknowledge the data practices in our Privacy Policy. You can unsubscribe at any time.
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