The discovery could usher in a wave of investigations into the evolution of Earth’s mantle, a layer of material about 1,800 miles deep that extends from just beneath the planet’s thin crust to its ...

A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.

A new study traces a 120-million-year-old 'super-eruption' to its source, offering new insights into Earth's complex geological history. Geologists led by the University of Maryland and the University ...

Science in the silver age: Aetna, a classical theory of volcanic activity -- Some Neo-Platonic and Stoic influences on mineralogy in the sixteenth and seventeenth centuries -- Mechanical mineralogy -- ...

A massive meteorite strike 3.5 billion years ago left behind the world’s oldest known impact crater, challenging previous ...

Scientists recently published new ideas about why Earth’s toughest, oldest continents persist. These continents, known as cratons, have been on earth for more than two billion years. Andrew Zuza, an ...

The newly identified deposit in Western Australia’s Pilbara is being hailed as the largest iron ore formation ever discovered, with estimates suggesting it contains around 55 billion metric tons of ...

Tiny crystals preserved in ancient beach sands are offering scientists a new way to read the deep history of Australia’s landscapes.

A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Analyzing rocks in thin ...