A planet that may exist, and may be habitable or may be frozen, has been discovered on an Earth-like orbit around a star 146 light-years away ...

Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...

Exploring Earth's deep interior is a far bigger challenge than exploring the solar system. While we have traveled 25 billion km into space, the deepest we have ever gone below our feet is just over 12 ...

Hidden mega-structures deep inside Earth may have been quietly steering our planet’s magnetic field—and rewriting what we ...

Measurements of seismic waves over many years suggest the Earth's core is deformed and reshaped by conditions of extreme heat and pressure.

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Earth’s magnetic field nearly collapsed long ago. What saved it explains why life survived and why the planet remains ...

This video explains recent scientific findings about changes in Earth’s inner core rotation, what researchers measure, and ...

NASA's James Webb Space Telescope has zoomed into the Helix Nebula to give an up-close view of the possible eventual fate of our own sun and planetary system. In Webb's high-resolution look, the ...

Deep beneath the planet’s surface, Earth’s core behaves in a way scientists have struggled to explain for decades, with consequences for how the planet moves and protects itself. New evidence now ...

NASA officials said Thursday they have decided to bring home four of the seven crew members on the International Space Station after one of them experienced a “medical situation” earlier this week.