I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...

Human brains do something peculiar when a chimpanzee screams or hoots. Instead of treating those sounds as generic animal ...

Erich von Däniken, the Swiss author whose books on the extraterrestrial origins of ancient civilizations brought him both ...

Earth’s first sponges may have been ghostly, soft-bodied pioneers—ancient animals that evolved long before their skeletons ever appeared in stone.