Two test methods put the rocks at 4.16 billion years old The volcanic rocks date to primordial Earth's Hadean eon Rocks are surviving fragments of Earth's oldest crust June 26 (Reuters) - Along the ...

As the Mars rover Perseverance crested the top of Witch Hazel Hill, its operators back on Earth expected amazing things. This area on the western rim of the Jezero crater, along an ancient river delta ...

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 ...