Coca produces potent alkaloids that directly interfere with the brain’s reward system, particularly by blocking dopamine ...

The string of cases has fueled online speculation and drawn attention from Congress, federal agencies and President Trump.

Seven of the organic molecules were found for the first time ever on the Red Planet, including compounds that are chemical ...

NASA's Curiosity rover took this selfie at a site on Mars where it drilled a sample to search for organic molecules in ...