It cannot be completely ruled out that the artifact could have survived from more ancient civilizations that once inhabited the Earth long before us.
These days, most receipts are made of paper, but about 2,000 years ago, an important financial record was recorded on a much heavier material: stone.
Researchers have isolated viable microbes from melting permafrost after tens of thousands of years.
This unusual tribe was believed to have been extraterrestrial because they had strange blue eyes, almond-shaped with double lids; they spoke an unknown language, and their DNA did not match any other known tribe.
Paleontologists at the University of Queensland, Australia, have stumbled upon what seems to be the closest thing to the real-life dragon and it is as magnificent as it sounds.
The fossil ecosystem reveals how life recovered after the most devastating mass extinction on Earth.
The skull belongs an extinct hominin that lived 1.85 million years ago!
One of the most striking discoveries in planetary science in the last 25 years has been the presence of oceans beneath layers of rock and ice in our solar system. These worlds include ice satellites of big planets like as Europa, Titan, and Enceladus, as well as distant planets such as Pluto.