The Indian Ocean looks flat from above, but one part of it sits far lower than it should. South of India, the sea surface ...

For decades, a vast region south of India has quietly refused to make sense. Satellites mapping Earth’s shape kept returning ...

Scientists may have uncovered the cause of a massive gravity “hole” beneath the Indian Ocean, tracing it to deep mantle ...

The ground may feel steady underfoot, but the planet is always in motion. While satellites and sensors have mapped the surface in fine detail, what lies beneath remains largely unknown. The crust, a ...