A rock formation spanning Ireland and Scotland may be the world's most complete record of "snowball Earth," a crucial moment in planetary history when the globe was covered in ice, finds a new study ...

Geologists studying some of the planet’s oldest volcanic rocks have uncovered new evidence that water was playing a major ...

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 ...

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 ...

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 ...

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 ...

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 ...

Four and a half billion years ago, Jupiter rapidly grew to its massive size. Its powerful gravitational pull disrupted the orbits of small rocky and icy bodies similar to modern asteroids and comets, ...