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

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Scientists suggest an interstellar visitor may have altered planetary orbits in our Solar System, reshaping trajectories of ...

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

The eight major planets of our Solar System orbit the Sun in the same flat ... point of view it dims the star's light, allowing its size and orbit to be discerned. Thanks to this method, we ...

On the evening of February 28, stargazers will witness a rare celestial event: an alignment of seven planets visible ...

The seven planets will not be perfectly aligned, but will appear in an arc across the sky due to their orbital plane in the ...

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different ...

Mars is known as the 'Red Planet.' Learn about its reddish hue, caused by iron oxide, its position as the fourth planet from ...