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Scientists discover 50 million-year-old fossilized vomit containing incredible remains

Paleontologists in Utah are celebrating a rare and unusual discovery: a 50-million-year-old pile of vomit. Preserved in the ...

Metabolic analyses of animal fossils help scientists reconstruct million-year-old environments

For the first time, scientists have analyzed metabolism-related molecules from the fossilized bones of animals that lived 1.3 ...

Q&A: Climate shifts drove carnivores' evolution from mongoose-like ancestors to diverse forms

The ancestors of our furry cats and dogs once looked similar to today's modern mongoose, a mammal with a long body and small, ...
Morning Overview on MSN

The oldest leech ever found looks nothing like today’s bloodsuckers

The oldest leech ever discovered has turned out to be a shape shifter of expectations, preserving a body plan that looks ...