EarthBits of an ancient planet called Theia may be buried in Earth’s mantle Two strange, high-density blobs buried more than a kilometre underground may have come from the ancient world Theia, which is thought to have slammed into Earth to create the moon News
EarthCanadian lake selected as site to mark the start of the Anthropocene Geologists hoping to declare a new epoch dominated by humanity’s influence on Earth have chosen Crawford Lake in Canada as the location where the start of the Anthropocene is defined News