New measurements suggest mysterious continent-sized masses in our planet’s lower mantle may be extremely stable features ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Earth spins as it orbits the Sun, and the solar system is orbiting the galactic center. So, if I go outside and look up, in what direction are we heading? Dale Peterson Oak View, California When you ...

The center of the earth being regarded as fixed ... keep the same face turned towards the perturbing one. In the solar system system there are certainly two examples of this condition, and ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

Researchers have unveiled new findings that reshape our understanding of the Moon's formation and Earth's early hydration.

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

The case of mistaken identity was quickly resolved, but astronomers say it shows the need for transparency around craft in ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ... A 'Remelting' of Lunar Surface Adds a Wrinkle to Mystery of Moon's True Age ...