Buried more than 3,000 miles beneath our feet, Earth’s solid inner core was once thought to be unchanging—locked in place at the heart of the planet. But new research has revealed something much more ...

The new waveforms expand the broader conversation on Earth’s mechanics. Certain aspects, like magnetic fluctuations and ...

These planets are far smaller than Earth, each having only about 20 to 30 percent of Earth's mass. Their orbits are so quick– completing a full revolution around their star in just a matter of d ...