Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

The Milky Way is a spiral galaxy and our Solar System is about half-way along one of its arms. Our Sun orbits the centre of the Milky Way at about 140 miles every second. It takes about 230 ...

And don't forget that our galaxy is likely on a collision course with the Andromeda ... and answer originally appeared in the ...

In this special Hubble image 23 years in the making, the sparkling spiral galaxy UGC 10043 reveals the secrets of its ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

The star at the centre of our Solar System could have had a sibling long ago – the question is, where did it go? (Credit: Serenity Strull/ Getty Images) Many stars in our galaxy exist in pairs ...

James Woods has lost his Pacific Palisades home in the Southern California fires that continue to devastate parts of Los ...

Using data from the eRosita X-ray instrument, researchers say they’ve discovered a “cosmic tunnel” that connects our solar system to other stars. Scientists have long known that our solar ...

MORE: This is how close NASA's Parker Solar Probe got to the sun ... of individual stars in a distant galaxy is possible," ...

“Estimated net savings” is the average amount residents in that state will save on electricity over 25 years, including their cost of installing a solar energy system. Does Galaxy Electric and ...