Seismic waves passing through the Earth have revealed that the inner core of our planet is now rotating out-of-sync with the layers above it. Update: As reported below, research from January 2023 ...

The internal, infernal machinations of our planet may be way more complex than we suspected. A new, detailed probe of Earth's heart reveals that the rotating inner core doesn't just change in rotation ...

When the solar system was first organizing itself, a disk of gas and dust took shape around the sun's central mass. It eventually sorted itself into the system of planets we see today. But there are ...

This is a montage of Hubble Space Telescope views of our solar system's four giant outer planets: Jupiter, Saturn, Uranus, and Neptune, each shown in enhanced color. The images were taken over nearly ...

“We’ve been arguing about this for 20 years, and I think this nails it,” said Dr. John Vidale, Dean’s Professor of Earth Sciences at the University of Southern California. Those are his words, a rare ...

Earth’s solid metal core may no longer be spinning relative to the vast mass of the surrounding planet thanks to what appears to be a recent slowdown, according to the results of a new study. Nestled ...

Astronomers studying a disk of material circling a still-forming star inside our Galaxy have found a tantalizing result — the inner part of the disk is orbiting the protostar in the opposite direction ...

A pair of theoretical physicists are reporting that the same observations inspiring the hunt for a ninth planet might instead be evidence within the solar system of a modified law of gravity ...