The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

People in the northern hemisphere will be able to see Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars during the planetary parade. The next full moon will happen on Feb. 12. Known as the ...

An unidentified interstellar object, possibly eight times Jupiter’s mass, may have disrupted the solar system’s planets.

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

Fans of the billionaire Elon Musk are now saying that a book predicted the SpaceX and Tesla CEO becoming the leader of Mars.

NASA's Magnetospheric Multiscale satellites have observed bird-like chorus waves in the Earth's mid-tail neutral sheet, ...

NASA's MMS mission discovered whistler-mode chorus waves in an unexpected region, the terrestrial mid-tail neutral sheet, ...

NASA discovers something on Neptune and Uranus: "There are more than 5000" The ice giants of the solar system have long been ...

You might want to keep your eyes on the skies through next month: Six planets will align in January and February.

What is the sixth house in astrology? Here's what the 6th house represents, what planets and signs it's associated with, what ...

Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...

The orbits of Jupiter, Saturn, Uranus and Neptune may have been forever changed by an enormous object that whizzed through ...