New Study Suggests Moon Lacked a Magnetic Field for Nearly All Its History

Surrounding Earth is a powerful magnetic field created by swirling liquid iron in the planet’s core. Earth’s magnetic field may be nearly as old as the Earth itself—and stands in stark contrast to the Moon, which completely lacks a magnetic field today. But did the Moon’s core generate a magnetic field in the past? In … Continue reading New Study Suggests Moon Lacked a Magnetic Field for Nearly All Its History