A new atlas charts the global distribution of unusual, critical-metal-bearing igneous rocks, finding that they often form ...

Luke, age 4, New Market, New Hampshire While many rocks don’t burn, some of them do. It depends on what the rocks are made of ...

A team of researchers has made strides in understanding the formation of massif-type anorthosites, enigmatic rocks that only formed during the middle part of Earth's history. These plagioclase-rich ...

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 ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

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 ...