China is studying the in-orbit assembly of an extra-large spacecraft (1km in size) to be developed during the 14th Five-Year Plan (2021-25), which is expected to be a major strategic vehicle for its future use of space resources, deep-space explorations and long-term human stays in outer space.
7,200-Year-Old Human DNA With Unique Denisovan Ancestry Has Been Found in Indonesia
Pictograms are first written accounts of earthquakes in pre-Hispanic Mexico