An ancient altar was found in Tikal ... ANDREW SCHERER: Thank you for having me. CHANG: Thanks for being with us. OK, so first off, what does this altar even look like? SCHERER: So it's a ...

U.S. President Donald Trump signed a proclamation on Wednesday banning travel from certain countries citing national security ...

A tiny glass bead retrieved by China's Chang'e-5 lunar mission is offering scientists a glimpse into the moon's hidden depths and providing insight into the violent forces that helped shape the ...

Chang'e 6 arrived at the South Pole–Aitken ... The nearside, covered in ancient deep impacts and volcanic flows, has regions that are rich in thorium, as we would expect. Few areas on the ...

A paper Chang coauthored in 2015 argued the fossil belonged to the genus Homo, the grouping to which our species, Homo sapiens, and other ancient humans such as Neanderthals belong, but colleagues ...

“Our research was at a standstill,” Dr. Chang said. Over the next few years, Dr. Welker and other researchers pioneered methods for retrieving ancient proteins from fossils. It became evident ...