A remarkable discovery on Mars has provided one of the clearest timelines yet for the existence of an ancient ocean on the ...

NASA’s Curiosity rover has made a groundbreaking discovery inGale Crater on Mars, uncovering the highest concentrations of iron, manganese, and zinc ever found together. Published in the Journal of ...

A manganese ring shows Mars' Utopia Planitia once held a stable ocean for around one million years, long enough for life to ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two new finds.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American We humans can now peer back into the virtual ...

Landing humans on Mars could teach us whether life ever existed beyond Earth, how planets change over time, and how humans can live on other worlds. By studying Mars up close, astronauts could answer ...

The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008. When you purchase through links on our site, we may earn an affiliate commission.

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...