Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

these images showcase what appears to be a snowy landscape in the Australe Scopuli region of Mars, near the planet's south pole. But the "snow" seen here is quite different from what we have on Earth.

The National Aeronautics and Space Administration’s (NASA) Curiosity Mars rover has started its 1.6-kilometre summer road trip to explore the Red Planet ... from 116 images, the image above ...