Archaeologists in Bolivia have discovered an ancient complex roughly 215 km (130 miles) south-east of Tiwanaku’s historical site, where a large, modular building with an integrated, sunken courtyard ...

Geologists have discovered compelling evidence for preservation of Hadean rocks -- dating back to 4.16 billion years old -- in a complex geological sequence called the Nuvvuagittuq Greenstone Belt, ...

Using data from several space- and ground-based telescopes, NASA astronomers have captured a stunning new image of the Andromeda galaxy, which is the closest spiral galaxy to the Milky Way.