If you are sneezing this spring, you are not alone. Every year, plants release billions of pollen grains into the air, specks ...

Among the rocks and marine fossils, scientists have found fossilized pollen from the Late Cretaceous and Early Paleocene periods that reflects changes in the surrounding ecosystems. The pollen reveals ...

One of the world's earliest city cultures, it thrived circa 2500 BCE in cities such as Harappa and Mohenjo-Daro. Its ...

For more than two thousand years, people have mapped the stars. But a new study claims one of the world’s oldest surviving ...