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

Solar scientists have found tiny, short-lived jets of energy on our sun to be the primary drivers of the solar wind, marking ...

Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

Canadian astronomers have taken an extraordinary step in understanding how planets are born, using the James Webb Space ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

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

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Find Solar Pics stock video, 4K footage, and other HD footage from iStock. Get higher quality Solar Pics content, for less—All of our 4K video clips are the same price as HD. Video Back Videos home ...

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.

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.