Some of 2025’s scientific discoveries broke records

Some of 2025’s scientific discoveries pushed the limits. Earth’s longest lightning and the first AI-generated genomes are among this year’s superlative achievements, along with black holes old and large. Here are the record-breaking findings that stretched scientific boundaries and captured our attention.   Light up the sky The record-breaking lightning megaflash (illustrated) spanned about 829…

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NASA Telescopes Capture Colliding Spiral Galaxies in Sparkling Detail

December 31, 2025 1 min read Add Us On GoogleAdd SciAm Colliding Spiral Galaxies Captured in Sparkling Detail Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral galaxies By Claire Cameron edited by Sarah Lewin Frasier X-ray: NASA/CXC/SAO; Infrared: NASA/ESA/CSA/STScI/Webb; Image Processing: NASA/CXC/SAO/L. Frattare…

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We’ll learn about LSD’s potential for treating anxiety in 2026

LSD can enhance the brain’s ability to rewire itself, potentially dampening anxiety TUMEGGY/SCIENCE PHOTO LIBRARY/GETTY IMAGES Two major trials investigating the potential of the psychedelic drug LSD for reducing anxiety are set to conclude in 2026. Scientists are feeling positive after the drug’s success in an earlier-stage trial, which could mean the treatment will be…

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What Makes Ultraprocessed Foods Addictive?

The recent surge in the use of GLP-1 weight-loss drugs has propelled addiction-adjacent terms such as “food noise” and “food cravings” into common vernacular. But can food actually be addictive? Now some neuroscientists and food behavior researchers are trying to understand if food—particularly ultraprocessed foods—can be addictive in the same way as other known substances,…

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