The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

At the surface, Mars is a desolate, barren world with a rocky landscape, massive dust storms and extreme temperature swings. However, a rover recently captured a splash of color in the sky as rare ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

NASA has released stunning images of mysterious colorful clouds drifting in the sky over Mars. Captured by NASA's Curiosity rover on January 17 over the course of 16 minutes, the images show ...

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

If we are to engage in a discussion of pollution of any kind, it should begin with the consequences. Take air pollution.

To see the northern lights in Colorado, a KP index of 5 or higher is usually needed. The KP index measures geomagnetic ...

A dazzling display of the Milky Way at Cuckmere Haven and a hauntingly beautiful shot of the legendary Chanctonbury Ring are among the winners of a South Downs competition.

Chile's pristine, dark desert skies, world-renowned for astronomy, are at risk of being outshined by urban and industrial ...

The Queen was left in the dark for almost a decade over the full scale of the treachery of one of her most senior courtiers, according to newly-released files. In 1964, Sir Anthony Blunt ...