The formation of Earth's moon was thought to have occurred when a Mars-sized object called Theia slammed into proto-Earth over 4.4 billion years ago.
Sleep and Death Carrying off Slain Sarpedon (cista handle), 400-380 BC Etruscan bronze - Cleveland Museum of Art. Credit: Daderot (CC0), via
Evidence from ancient footprints shows that humans lived in the Americas earlier than previously thought Click to enlarge the image and toggle
Reconstruction of Jehol Biota, and well-preserved Caudipteryx specimen. Credit: Zheng Qiuyang Scientists from the Institute of Vertebrate
Credit: Pixabay/CC0 public domain This year marks the 20th anniversary for sequencing the human genome. A research team headed by Prof. FUQiaomei,
Modern roads and developments have more similarities to ancient urban centers than we realize. This is the case with Teotihuacan, a sprawling
Scientists recently discovered that Maya builders constructed a huge pyramid from rock that had been ejected from a volcano some 1,500 years ago.
This story was first published on The Conversation. It is now available here under a Creative Commons licence. Ice is essential for life in the high
Satellite and lidar images of the Sun Pyramid at Teotihuacan. The satellite portion of the image is in the left-hand half, while the lidar portion
Tall el-Hammam, an ancient Middle Eastern city, was going about its daily business as usual 3600 years ago. They didn't know that an unknown icy