If Mars ever hosted microorganisms in its bygone oceans, their fossils might still be preserved in minerals—and now, we have ...

Scientists may have uncovered a promising new method to detect ancient life on Mars. A recent study suggests that microbial ...

Scientists may finally have a way to detect ancient life on Mars by studying microbial fossils preserved in sulfate minerals. Gypsum deposits on Mars may be hiding evidence of past microbial life — ...

One of these minerals is gypsum, which "has been widely detected ... identifying the molecules within. Sellam found long, twisting, microscopic filaments of a type previously identified as being ...