An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.
Some space conspiracy theories just won't go away.
A spacecraft named BepiColombo is currently zipping by planet Mercury, making a very close flyby and snapping incredible high ...
Accessible to anyone the world over, witnessing the majesty of the solar system, including the Milky Way, and its billions of ...
Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...
The larger moons of Pluto and Earth likely formed through a collisional process with Charon and our moon, respectively, ...
The ESA Solar Orbiter has provided a stunning new look at the Sun by combining 25 high-resolution images. This mosaic offers a detailed view of the solar surface, including sunspots and granules, ...
James Woods has lost his Pacific Palisades home in the Southern California fires that continue to devastate parts of Los ...
Using computer models, researchers studying Pluto and its moon, Charon, have discovered an unforeseen kind of cosmic ...
Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...
Enigmatic planet Mercury posed for some closeups when the BepiColombo mission flew by. Craters, bright regions and volcanic ...