A team of researchers at Virginia Tech has discovered a 550 million-year-old sea sponge fossil, which can help fill a critical 160 million-year gap in the fossil record. Million of years old sea ...

Scientists in Argentina have uncovered the world’s oldest tadpole fossil, dating back 161 million years to the Jurassic period.This fossil provides crucial insight into the development of ...

NEW YORK (AP) — 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 ...

NEW YORK — 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 ...