Scientists found that Mars’s crust formed much earlier than previously thought.
The rover has discovered ancient organic material that may be biological in origin, although this has not yet been proven.
These rocks formed at the bottom of ancient lake beds between three and four billion years ago, when the Martian surface was abundant in water and its climate was warmer.
The ExoMars Rover will drill more than six feet underground to search for organic material.
Laguna Caliente in Costa Rica is one of the harshest environments on Earth for life.
They might be a ready-made water source for explorers.
It's the very latest in spa treatments for planets that just want to be pampered.
NASA already explained the "concretion" phenomenon when a similar image made the rounds in 2014.
Analysis of rocks from the Gale crater show climate change on the Red Planet over billions of years.
If we can overcome our biological flaws—our genes and our inability to make rational choices—our days on this planet may not be numbered after all.
Microbial life was inhabiting the land up to 580 million years earlier than previously thought, and originated in an ancient hot spring.