In 2008, Canadian researchers led by McGill PhD student Jonathan O'Neil said they'd found the world's oldest rocks, formed 4.3 billion years ago in what is now northwestern Quebec. Such rocks would ...

"On Earth, these types of features in rocks are often associated with the fossilized record of microbes living in the subsurface." When you purchase through links on our site, we may earn an affiliate ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars last year may have potentially been made by ancient life, NASA announced Wednesday. The team has also ...