Newly described fossils from South America are rewriting the story of giant snakes, revealing that anacondas have been enormous for at least 12 million years and never went through a downsizing phase.

Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

The “mighty” new prehistoric whale species was about 40 feet long based on the fossilized bones. Tanaka, et al (2025) Palaeontologia Electronica The summaries below were drafted with the help of AI ...

Unlike other giant species, which reached their peak size during the Miocene before dying out and getting replaced by smaller ...

Paleontologists made a recent discovery that'll shed light on what type of animals roamed the Earth millions of years ago. Fossilized remains of ancient near-marsupials were reportedly found at Big ...

Beneath the surface of a Colombian coal mine, scientists made a discovery so extraordinary that it rewrote what we know about giant reptiles. In 2009, researchers unearthed fossil remains of an ...

Giant kangaroos were 'homebodies' who were wiped out when climate change destroyed their stable habitats, according to a new study. Small home ranges made the ancient Australian species vulnerable to ...

Anacondas reached their enormous size about 12.4 million years ago and, unlike most other Miocene giants, have barely changed ...

Paleontologists have documented 16,600 dinosaur footprints in Bolivia's Toro Toro, marking the highest theropod footprint ...

A new pterosaur species was recently discovered in the vomit of a dino. But that's just the start of revelations from ...

A newly identified fossil snake reveals clues about early advanced snake evolution. Its mixed traits highlight an ancient branch of the caenophidian family tree. More than forty years after it was ...

The summaries below were drafted with the help of AI tools and edited by journalists in our News division. All linked stories were reported, written and edited by McClatchy journalists. Unique ...