NASA announced Friday that it will award contracts to seven companies, including SpaceX and Blue Origin, to study how to transport rock samples from Mars more cheaply back to Earth. The space agency ...

Nearly 50 years have passed since NASA collected samples of the Moon during the Apollo missions of the late 1960s and 1970s. Now, the government space agency has finally chosen to study them, with the ...

The study used stool samples from five healthy volunteers to grow ex vivo gut microbiome cultures. These cultures were then exposed to five common microplastic types—polystyrene, polypropylene, ...

This study was looking at using samples of hair collected from people who were in clinical trials of new cancer drugs. The researchers wanted to know if they could use hair to find out more about how ...