
Earth’s inner core may have quietly reversed course
More than 5,000 kilometres beneath your feet, Earth's solid inner core has spent the past few decades turning slightly faster than the planet wrapped around it.
Nature and earth science
Life Signs is where Space Daily looks down instead of up. Animals, ecosystems, and Earth science, with a bias for peer-reviewed studies over press-release hype. The living world turns out to be at least as strange as anything in orbit.

More than 5,000 kilometres beneath your feet, Earth's solid inner core has spent the past few decades turning slightly faster than the planet wrapped around it.
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{"content":"From 700 kilometres up, an oil palm plantation looks almost nothing like the rainforest it replaced — and the difference is not just colour or texture, but the precise angle at which su
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The bald eagle had not always been a rare bird. When the United States adopted Haliaeetus leucocephalus as its national symbol on 20 June 1782, the species may…
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On 13 January 2025, an iceberg named A-84 broke away from Antarctica's George VI Ice Shelf, opening a section of seafloor that had been sealed beneath floating ice.
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By 1987, Costa Rica's forest cover had collapsed to roughly 21%. A 1996 law funded by a tax on gasoline began paying landowners to protect and regrow forest — and within a generation, tree cover nearly tripled.
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The Ocean Discovery League compiled records of approximately 44,000 deep-sea dives for a study published in Science Advances conducted between 1958 and the early 2020s.
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There is a difference between looking like something dangerous and looking like something diseased.
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Somewhere deep beneath the limestone hills of Slovenia, in caves that no sunlight has ever touched, lives an animal that has, in nearly every way, given up on the version of being alive that the rest of us would recognise.
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Mimicry in the animal kingdom follows a fairly predictable grammar. An organism resembles something dangerous, something inedible, or something it wants to eat.
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{"content":"On October 24, 1946, a 35mm DeVry motion picture camera bolted into the nose of a captured German V-2 rocket clicked through a single frame every second-and-a-half as the missile arced
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On the evening of 5 April 1815, the residents of Java and surrounding Indonesian islands heard what they believed were cannon shots in the distance.
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One whale skeleton on the deep seafloor can host an entire neighbourhood of animals.
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A modelling study published in Communications Earth & Environment in June 2025 found that the West Antarctic Ice Sheet could begin an irreversible collapse…
Jun 20, 2026