Each of these ancient fossils, even if just a small part of a skeleton, represents an identifiable character in the story of humankind.

Thaís Pansani examines the marks humans left on megafauna bones to determine when people arrived in South America and how ...

The 237-million-year-old remains are among the oldest silesaurid fossils ever found, adding to paleontologists' understanding ...

The discovery in Patagonia shows that frogs have had a tadpole stage for at least 160 million years. Here’s how the ancient frogs compare to those of today.

Scientists have discovered the world’s oldest giant tadpole fossil, dating back over 160 million years, in Argentina.

The researchers believe that N. degiustoi likely reached its giant size—which rivaled that of most anurans alive during the age of reptiles (251.9–66.0 million years ago)—as a result of having a long ...

In 2014, physician Pedro Lucas Porcela Aurelio found the fossil in the town of Paraiso do Sul in Brazil’s southernmost Rio Grande do Sul state. He donated it to a local university in 2021, kicking off ...

Paleontologists working in Patagonia have unearthed the oldest-known fossil of a tadpole—and it was a whopper, measuring in at more than six inches long, the size of an adult human hand.

Scientists have discovered the oldest-known fossil of a giant tadpole that wriggled around over 160 million years ago. The new fossil, found in Argentina, surpasses the previous ancient record holder ...