MISSOULA, Mont. -- A former chemist for W.R. Grace & Co. told jurors Tuesday that he oversaw a 1976 study in which hamsters were injected with asbestos-laced vermiculite from Libby. Over time ...

MISSOULA — A former chemist for W.R. Grace & Co. told jurors Tuesday that he oversaw a 1976 study in which hamsters were injected with asbestos-laced vermiculite from Libby.

Did ancient oceans on Venus last long enough for potential life to have emerged? The answer could be locked inside a hardy mineral called tremolite, which future robotic missions to our ...