A lowly worm from the Ediacaran?

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Chewing gum and the genetics of an ancient human

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How marine animal life survived (just) Snowball Earth events

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Should you worry about being killed by a meteorite?

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When rain kick-started evolution

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Why did anatomically modern humans replace Neanderthals?

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Risks of sudden changes linked to climate

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Sedimentary deposits of the ‘Anthropocene’

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Extraterrestrial sugar

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Ordovician ice age: an extraterrestrial trigger

Extraordinary evidence for an extraterrestrial influence on evolution and climate in the Ordovician. Read the article at Earth-logs here.

L-chondrite meteorite in iron-stained Ordovician limestone together with a nautiloid (credit: Birger Schmitz)