Earth's crust today has a surprisingly similar composition to the planet's first outer shell, or "protocrust," new research ...

Scientists discovered Earth's first crust had continental chemical signatures. This challenges beliefs about when these ...

Geologists have made certain assumptions about how the crust making up our planet's earliest surface formed, but a new study ...

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...

The oldest crust on Earth, known to be unchanging, is actually being altered in real time. The North American continent is ...

Deep beneath the surface of our planet, from the Himalayas to East Africa and from the Atlantic seafloor to the Indian Ocean, ...

With a computer rendering, he helped scientists understand that the earth, with its shifting tectonic plates, is “an ...

Earth’s earliest crust, formed over 4.5 billion years ago, has long been thought to have lacked the complex chemical features ...

In this type of fault, the block of rock above the fault plane, known as the hanging wall, moves downward relative to the block below, called the footwall. Normal faults are typically found at ...

Beneath the turquoise waters of the South Pacific hides a massive secret—Zealandia, a sunken landmass stretching nearly two ...

Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian ...

Even the oldest and most stable of lithospheric structures can’t withstand geologic machinations deep within the Earth.