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

A belt of volcanic rock along the eastern shore of Hudson Bay in Canada’s Quebec province has been confirmed as the oldest ...

Meteorites from Mercury have never been found on Earth. But two pieces discovered in the Sahara desert might be remnants of ...

Found in the Sahara Desert, the space rocks contain some materials we haven’t detected on Mercury, but we’re not ruling it ...

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.

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Kelleys Island floats majestically in Lake Erie’s embrace, roughly four miles north of the Marblehead Peninsula, an emerald oasis that feels worlds away from mainland Ohio. Despite measuring just over ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

China’s Tianwen-3 Mars sample return mission could bring Red Planet rocks back to Earth as early as 2031—years ahead of competing U.S.-European efforts ...