Seismic waves traveling between Earth’s poles move faster than those moving east-west, and now scientists think they may know why. The iron alloys in the solid inner core of the Earth appear to ...

The oldest pieces of rock on Earth, zircon crystals, may have formed in craters left by asteroid impacts early in the planet's life. Since the Earth itself is just over 4.5 billion years old, ...

The new information from these crystals is strong evidence that the Earth had both fresh and salt water at least 4.4 billion years ago. Dr. Olierook commented on this: ...

Origin of Earth's oldest crystals Date: April 28, 2016 Source: Trinity College Dublin Summary: New research suggests that the very oldest pieces of rock on Earth -- zircon crystals -- are likely ...

The age of Earth's unique and constantly moving tectonic plates has been revealed in a new study involving the world's oldest crystals. Skip to main content. Open menu Close menu ...

Researchers discovered the earliest record of freshwater, and now crystals may lead researchers to discover when life on Earth began, a new study says.. A new study, which was published inNature ...