Scientists question whether alarming reports of plastic particles in human organs are accurate or the result of laboratory contamination.

A study led by researchers from the University of Turku in Finland has discovered phosphorus and fluorine in solid dust particles that were collected from a comet. Scientists on the project say that ...

However, due to its fragility, aerogel has played a vital role in space exploration. Aerogels are 99.8 per cent air. They are formed by removing the liquid from a gel, such as silica gel — a drying ...