In football, defense keeps the opposing team in check. A similar strategy is at play inside our cells. Negative feedback loops (NFLs) help regulate how cells respond to signals, for example, dialing down activity when things ...
Evolution
Jun 13, 2025
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A team of wildlife management specialists, environmental toxicologists and geneticists at the Conservation and Biodiversity Research Center, Edith Cowan University, in Australia, has found that some black rats living in Australian ...
Great apes began to diverge from other primates about 25 million years ago, according to eastern African fossil records. Though it would take another 20 million or so years for upright-walking hominins to appear, understanding ...
Evolution
Jun 12, 2025
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Researchers have found that chunks of "flipped" DNA can help fish quickly adapt to new habitats and evolve into new species, acting as evolutionary "superchargers."
Evolution
Jun 12, 2025
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More than 514 million years ago, long before dinosaurs roamed Earth, sponge-like creatures called archaeocyathids were already busy building some of the planet's earliest reefs—just north of Death Valley in present-day ...
Evolution
Jun 12, 2025
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A study published in the Proceedings of the National Academy of Sciences reveals that the Saimaa ringed seal is evolutionarily more differentiated than previously known. In fact, the study suggests that, instead of a subspecies, ...
Evolution
Jun 12, 2025
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Paleontologists have identified a new species of dinosaur, Khankhuuluu, which is being described as the closest-known ancestor to the giant Tyrannosaurs.
Evolution
Jun 11, 2025
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In most vertebrates, skin appendages such as hair, feathers, or scales originate from placodes—small, specialized skin regions whose spatial organization is controlled by well-conserved genetic signals. Crocodiles are an ...
Evolution
Jun 10, 2025
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One of the biggest mysteries of evolution is how species first developed complex vision. Jellyfish are helping scientists solve this puzzle, as the group has independently evolved eyes at least nine separate times. Different ...
Evolution
Jun 10, 2025
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About 66 million years ago—perhaps on a downright unlucky day in May—an asteroid smashed into our planet.
Evolution
Jun 10, 2025
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