University of Maryland researchers have found intriguing new evidence of ancient seafloor deep beneath the Earth's surface. This discovery, made with seismic waves, suggests a complex and layered ...

A 4.4 billion-year-old chunk of Earth is thought to be the oldest physical geological proof of how long our planet has been around - and how long it's been habitable. For context, Earth itself is ...

Though mostly underwater, this geological giant has sparked debate as a possible eighth continent. Just 5% of its surface peeks above sea level, making it one of Earth’s most elusive landforms.