Announcements of Spiders from Mars may have had Bowie fans pricking up their ears, but the spring time Martian phenomenon happens every Martian year, and has been photogrpahed by the Mars recconnaissance orbiter.

The sun is a mass of incandescent gas, but actually that's not entirely accurate as you can hear here. The sun is the most important star to all life on earth, but do you know what colour it is?

And if you have failed in the past to keep your New Year's resolutions, listen up for some research based ways to keep your will strong all year.