Scientists may have uncovered a promising new method to detect ancient life on Mars. A recent study suggests that microbial fossils could be preserved in sulfate minerals like gypsum, which are ...

Because oxygen-bearing sulfate minerals trap and preserve signals from Earth's atmosphere, scientists closely study how they form. Sulfates are stable over billions of years, so their oxygen isotopes ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...