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 ...
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 ...