Forget a doomsday asteroid or melting permafrost. It’s the freezing of Earth’s core that will end the world in today’s ...

There was a lot to tie up after five seasons and nearly 10 years, and the show gave itself another two hours to do it. Here ...

For about 540 million years, Earth’s magnetic field and the oxygen in its air have risen and fallen together. A NASA-led team has now measured that link, suggesting the planet’s molten core helped ...

An international research team may have found an explanation for seismic anomalies, the noticeable deviations in the behavior of earthquake waves, in Earth's inner core. A team led by scientists from ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through a solid iron lattice. This unusual behavior makes the core soft, matching ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth. Launched in 1977, Voyager 1 is ...

Deep under the Earth's surface, there's a scorching hot ball of metal. Scientists just discovered that something very wrong is happening to it. Did Earth's inner core really stop spinning? What ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life Earth’s magnetic field surrounds the planet, with ...