In 2014, members of a local museum found fragments of an ancient fossil dating to the end of the Pliocene or early Pleistocene epoch in a seaside cliff on the Argentine pampas. They belonged to a large predator, but the only ...
When a prairie river carries more water in one year than another, the obvious place to look for an explanation is the sky. A year with more snow and rain should have more water in rivers. That was also how I initially thought ...
Scientists used machine learning and super-resolution microscopy to overcome a challenge that has stymied research into the natural history of grasses for decades. Their method allowed them to detect subtle differences among ...
Ecology
1 hour ago
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A new study of shark anatomy suggests the shape of their inner ears is far more variable than expected, and this variation could have more to do with their evolutionary history than where they live or what they eat.
Evolution
25 minutes ago
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If the goal was to silence rapper Macklemore by preventing him from touring with singer Ed Sheeran, it clearly backfired. Macklemore delivered a monolog in support of Palestinians in Gaza and the West Bank and performed his ...
Social Sciences
45 minutes ago
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Almost every ceremonial object or ornament of the medieval papal monarchy has disappeared or lost its original purpose. Yet one survives: the golden rose. On Sept. 26, 2026, during Pope Leo XIV's visit to France, he traveled ...
Social Sciences
5 minutes ago
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Imagine losing an arm and simply growing a new one. This amazing ability of regeneration isn't just something from a superhero movie—it actually happens in real life for some animals.
Plants & Animals
1 hour ago
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The 2026 U.S. midterm campaigns are the first in which AI-generated political ads are regularly appearing on people's televisions and social media feeds. We are researchers who have been studying political advertising through ...
Social Sciences
25 minutes ago
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Many complex quantum systems rapidly lose the recognizable patterns of their initial states as their components interact. To describe patterns of regular and chaotic motion in specific systems, physicists can construct a ...
Primordial black holes (PBHs) don't exist as far as we know. But if they did, these hypothetical objects would have formed in the early universe rather than from dying stars, and they may even make up dark matter. That's ...
