In June, one of these dust events rapidly engulfed the planet. Scientists first observed a smaller-scale dust storm on May 30. By June 20, it had gone global.
The high resolution stereo camera on board ESA's Mars Express captured this impressive upwelling front of dust clouds - visible in the right half of the frame - near the north polar ice cap of Mars in April this year.
Fine grained structures have been detected in the sun's outer corona.
For nearly a century, astronomers have puzzled over the curious variability of young stars residing in the Taurus-Auriga constellation some 450 light years from Earth.
These six infrared images of Saturn's moon Titan represent some of the clearest, most seamless-looking global views of the icy moon's surface produced so far.
A portion the Innamincka Regional Reserve, surrounded by the Strzlecki Desert, is seen in the northeast part of the South Australia.