Previous studies have underestimated amount of plastic in atmosphere, scientists say

Prehistoric humans had advanced planning abilities and understood how poisons worked over time

Study shows how mystery text could be done entirely by hand using 15th-century materials

Researchers collect trace DNA from ‘Holy Child’ drawing and letters written by Italian polymath’s ancestor

Alien signals may not have inherent meaning, but just meant to stand out against cosmic background

Study finds immigration and lifestyle changes are weakening once exceptional longevity patterns

Advanced electronics built into new bricks and figures can detect how they move and respond with light or sound effects

Frail oral health can reflect poor overall health in ageing people