As the sun grew hotter, so did Mars, prompting much of its atmospheric carbon dioxide to rain out and ultimately get locked up in rocks.

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

Discover how scientists found and dated the oldest rocks on the planet, and why studying them can help explain how life on ...

And that’s where it gets even more interesting – nearby sedimentary rocks contain structures that may be microfossils, hinting that life began not long after Earth itself. Not everyone’s fully ...

Sedimentary rocks that formed 390 million years ago, surprisingly, help provide the answer, at least for ... Social Sciences Dec 10, 2024 0. 21. Missing link to Snowball Earth history emerges ...

Canadian researchers said they'd found the world's oldest rocks in northern Quebec. The find was controversial. But after ...