The Xiaozhai Tiankeng, often called the “Heavenly Pit,” stands as the planet’s largest and deepest known sinkhole. This ...

Bissau in West Africa, scientists have uncovered enormous fossilized mud waves buried more than 1,000 meters beneath the ...

Palynologists who study tiny pollen fossils share 4 stories found in grains that fell hundreds to millions of years ago.

Tiny chunks of 115-million-year-old Japanese amber reveal a massive dinosaur-era tsunami hidden beneath the waves.