6 days ago · In the arctic mirage a distant object appears right way up but higher up than the actual location. Though arctic and desert mirages seem to be quite different, they share a common …

6 days ago · Was this a mirage, the northern lights or what? A possible explanation is the Parry arc named after the explorer, W. E. Parry, who first reported seeing the phenomenon while searching for …

Feb 6, 2026 · Even when the air is stagnant, there is enough air movement to cause the mirage images to come and go rapidly. Unfortunately, the same layering that gives us glorious mirages compounds …

Mar 2, 1995 · Is the Great One a grand illusion? Is the tallest mountain in North America a mirage? A friend recently told me that the Mount McKinley we see as a huge lump on the southwest Fairbanks …

Fireball meteors, auroras, noctilucent clouds, mirage phenomena, atmospheric dust, city lights reflected from clouds, earthquake lights, lightning, forest fires, ice crystals and raindrops in the air, plus a host …

6 days ago · Fata Morgana, also known as Morgan le Fay, was a fairy enchantress skilled in the art of changing shape. In one traditional story she was King Arthur's sister and learned many of her skills …

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Jan 30, 2026 · A tandem of NASA sounding rockets blasted off from Poker Flat Research Range at about 1:30 a.m. today on a mission to better understand how changes in the ionosphere influence …

Jan 29, 2026 · The northern atmosphere produces many astonishing optical effects. One reason for this is that there is a strong temperature gradient and marked stratification of air layers. These conditions …

Since it was established by an Act of Congress in 1946, scientists at the Geophysical Institute have studied geophysical processes from the center of the Earth to the surface of the sun and beyond, …