Morning Glory Clouds over Australia

What causes these long, strange clouds? No one is sure. A rare type of cloud known as a Morning Glory cloud can stretch 1,000 kilometers long and occur at altitudes up to two kilometers high. Although similar roll clouds have been seen at specific places across the world, the...

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The Milky Road

Inspired during a visit to Fort Davis, Texas, home of McDonald Observatory and dark night skies, photographer Larry Landolfi created this tantalizing fantasy view. The composited image suggests the Milky Way is a heavenly extension of a deserted country road. Of course, the name for our galaxy, the Milky...

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Sunset on Mars: A Moment Frozen in Time

On May 19th, 2005, NASA’s Mars Exploration Rover Spirit captured this stunning view of the Sun sinking below the rim of Gusev crater on Mars. This Panoramic Camera (Pancam) mosaic was taken around 6:07 in the evening of the rover’s 489th Martian day, or sol. Spirit was commanded to...

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Meteor and Moonbow over Wallaman Falls

Which feature takes your breath away first in this encompassing panorama of land and sky? The competition is strong with a waterfall, meteor, starfield, and even a moonbow all vying for attention. It is interesting to first note, though, what can't be seen -- a rising moon on the...

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Hunter's Moon over the Alps

A Full Moonset can be a dramatic celestial sight, and Full Moons can have many names. Late October's 2012 Full Moon, the second Full Moon after the northern hemisphere autumnal equinox, has been traditionally called the Hunter's Moon. According to lore, the name is a fitting one because this...

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Moon Shadow Sequence

On the morning of November 14, 2012 the Moon's umbral shadow tracked across northern Australia before heading into the southern Pacific. Captured from a hilltop some 30 miles west of the outback town of Mount Carbine, Queensland, a series of exposures follows the progress of the total solar eclipse...

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Sheldon Glacier

View of Sheldon Glacier with Mount Barre in the background, seen from Ryder Bay near Rothera Research Station, Adelaide Island, Antarctica. A new NASA/British Antarctic Survey study examines why Antarctic sea ice cover has increased under the effects of climate change over the past two decades. Image Credit: British...

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Hubble Captures View of 'Mystic Mountain'

This craggy fantasy mountaintop enshrouded by wispy clouds looks like a bizarre landscape from Tolkien's "The Lord of the Rings" or a Dr. Seuss book, depending on your imagination. The NASA Hubble Space Telescope image, which is even more dramatic than fiction, captures the chaotic activity atop a three-light-year-tall...

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Panoramic view From 'Rocknest' Position of Curiosity Mars Rover

This panorama is a mosaic of images taken by the Mast Camera (Mastcam) on the NASA Mars rover Curiosity while the rover was working at a site called "Rocknest" in October and November 2012. The center of the scene, looking eastward from Rocknest, includes the Point Lake area. After the...

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Iridescent Clouds from the Top of the World Highway

Why would a cloud appear to be different colors? A relatively rare phenomenon known as iridescent clouds can show unusual colors vividly or a whole spectrum of colors simultaneously. These clouds are formed of small water droplets of nearly uniform size. When the Sun is in the right position...

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Andromeda in the Infrared

NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.This Spitzer's 24-micron mosaic is the sharpest image ever taken of the dust in another spiral galaxy. This is possible because Andromeda is a close...

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