The phenomenon, which is difficult to observe, usually occurs during major storms. A Portuguese photographer named Diogo Gualter has shared a video on his social media where he shows the sighting of a ...

NASA has shared a stunning views of drifting clouds on Mars captured by the Curiosity rover. The iridescent clouds look like ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

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