Two samples from Mars together deliver clear evidence of the origin of Martian organic material. The study presents solid evidence for a prediction made over a decade ago that could be key to ...

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) are a class of synthetic chemicals widely used in industrial processes and consumer products because of their resistance to heat, water and oil.

Perfluorooctanoic acid (PFOA) is one of the per- and polyfluoroalkyl substances (PFAS), a class of substances within a broader universe of organofluorine compounds. PFOA has potential adverse effects ...

PALM BAY, Fla. — An investigation is ongoing into suspicious fires in an area of Palm Bay known as The Compound. Two more fires broke out on Thursday, which are the latest in a series of fires police ...