This week, see what makes loggerhead sea turtles “dance,” track a cosmic “ghost particle,” uncover an ancient basilica, and ...

For a long time, scientists thought the Earth's inner core was a solid ball of metal, sort of like a planet within a planet ...

It took 250 years for the Laschamps reversal to take place and it stayed in the unusual orientation for about 440 years. At most, Earth's magnetic field may have remained at 25 percent of its current ...

That’s quite a big gap, as it turns out. It covers fields from gigantic bodies like the Sun and Earth, as well as those ...

Scientists have raised concerns that the Earth's inner core may completely halt its rotation by 2040, according to a recent ...

Sea turtles navigate using Earth's magnetic field like a GPS. Scientists found they learn and remember magnetic locations.

But never fear — this shape-shifting won’t directly affect life on Earth. Over time, changes to this innermost layer could impact the planet’s magnetic field, which shields our world from ...