The poodle-sized reptile that lived over 200 million years ago was among creatures that had features similar to dinosaurs it lived beside.
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New biological research reveals that Jackdaw chicks learn about predators by listening to adults.
The "miniscule" new fossil was discovered 500 miles south in Colorado’s Denver Basin.
New research reveals older singing male whales are increasingly successful at siring offspring compared to younger males.
Ants and other species who lived alongside dinosaurs but preserved in fossilized tree resin reveal a great deal about their roles.
Scientists described the discovery as a "palaeontological Rosetta Stone”.
The "astonishing" first indisputable evidence of a new species of Spinosaurus in over a century was found in a remote desert location.
Australian researchers found that human penis size influences both female attraction and male assessment of rivals.
Belugas are harder to study than most whales as they spend so much time under the Arctic ice.
Analysis of the rhino's genome suggests the extinct animal was wiped out by climate change.