NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths.

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Couldn’t we all do with a little stress reduction? Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment.

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Credit: NAOJ The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different from those in our Solar System, by piercing through thick cloud ...

X users, especially sports fans, may be seeing an influx of recent posts accompanied with photos, asking them to "tap, hold and load in 4K." What has been deemed a trend is really just a function ...

Solar System: Explore your knowledge about the solar system by solving the questions and answers provided below in the article. The solar system consists of stars, the Sun, 8 planets, dozens of ...