Rocks from the Hadean Eon, the first period in the geological timescale, have been dated in Québec. These are some of the ...

Geologists have long debated whether a stony formation in Canada contains the world’s oldest rocks – new measurements make a ...

Canadian scientists found the oldest known rocks on Earth - dating back 4.16 billion years - shedding light on our planet’s ...

Scientists agreed the rocky outcrops in a remote part of Quebec, Canada, were ancient. But were they really Earth’s oldest?

The Worcester area has evidence of the Mesoproterozoic Era, going back to the earliest known days of the present-day Earth's ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...

It’s a process akin to weathering: the breakdown or dissolution of rocks and minerals on the surface of Earth. It’s caused by chemical and physical interactions with water, the air, and living ...

Both environments are ideal conditions for life as we know it,” Wiens said. “These minerals are what’s left behind when rock has been in flowing water for eons. Over time, the warm water leaches away ...