Meteorite analysis: Mars had liquid water 742 million years ago

An international team of scientists, including two from Purdue University, has determined the age of minerals in the Lafayette Meteorite that formed in liquid water. Led by Marissa Tremblay, an assistant professor at Purdue’s Department of Earth, Atmospheric, and Planetary Sciences, the study focuses on noble gases like helium, neon, and argon to explore planetary surface processes. Tremblay highlights that some Martian meteorites contain minerals formed through interactions with liquid water while still on Mars, offering insights into Mars’ history.