Rocks older than 4.03 billion years could shed light on Earth's earliest geological history, but they're incredibly rare.

The Mars rover found geological formations in Gale Crater showing how water percolated beneath the surface, and ...

Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq ...

New testing now shows the rocks are 4.16 billion years old, formed during the Hadean eon, when Earth was just beginning to ...

Scientists have detected rhythmic pulses of molten rock rising beneath eastern Africa, threatening to pull the continent ...