The 1,500-year-old paintings depict hunters at sea on rafts, targeting whales, swordfish and sea-lions using harpoons.
The relic now values at more than £25,000 and the man plans to sell it next month.
The bird head had been naturally mummified by the arid climate of Chihuahua and its plume still retained colour.
A new American report claims the individuals were diagnosed with mild traumatic brain damage between November 2016 and August 2017.
The top prize went to a remarkable image of a single, floating atom captured by an Oxford University student using a basic DSLR camera.
So far, archaeologists have verified some 7,000 features of lost city discovered via revolutionary lidar tech.
Pangolins are the most trafficked mammals on Earth, yet only 8% of Brits can correctly identify them. On World Pangolin Day, let's talk about those "artichokes on legs".
Scientists are working to understand whether a molecule in all living cells could fight the ageing process.
The influence of a father's environment on the development of his child is not as well understood as that of a mother's.
Bulgarian researchers have found a well-preserved ceramic tile which features inscriptions of a set of symbols known as the Vinča signs.
Taenia solium is commonly known as pork tapeworm, which can be contracted while eating raw or undercooked pork.
After a huge sinkhole swallowed cars on a street in Rome, we look at other craters that have suddenly opened up around the world.
Till date, scientists thought that black holes in distant galaxies grew in tandem with stars.
The Amasra Museum Directorate said Roman carvings were found of the artefacts which may have been part of a temple building.
The spacecraft was travelling at 19,000 miles per hour when it took the spectacular cosmic photo.