Deep below the Tyrrhenian Sea offshore Italy, scientists drilled into what they thought would be dark mantle rock—and found ...

On a remote rocky outcropping in northern Canada, scientists have found further confirmation that the area hosts some of the world’s oldest rocks (Science 2025, DOI: 10.1126/science.ads8461). The ...

Geologist Michael Ackerson holds a sample from Canada's Acasta Gneiss formation, home to some of the oldest rocks on the planet. Michael Ackerson We know Earth is old. Scientists estimate that our ...

The rock cycle naturally takes thousands to millions of years, but scientists just identified a new form of rock that cements in under four decades. Researchers believe the natural cements found in ...

Scientists have made a surprising discovery about the formation of rock. It seems that industrial waste known as slag that is generated by the steel industry can turn into new, solid rock within about ...