Americas

Supersonic Shockwave

Most Beautiful Picture March 11, 2019
Supersonic Shockwave

Using the schlieren photography technique, NASA was able to capture the first air-to-air images of the interaction of shockwaves from two supersonic aircraft flying in formation. These two U.S. Air […]

Mount Rainier

Most Beautiful Picture February 27, 2019
Mount Rainier, Cascades Mountains

The Cascades in Washington, with Mount Rainier, the range’s highest mountain, standing at 4,392 m. Seen in the background (left to right) are Mount Adams, Mount Hood, and Mount St. […]

Firefalls, Yosemite

Most Beautiful Picture February 18, 2019
Golden Horsetail Falls, Yosemite National Park

For two weeks out of the year, the sun aligns just right with Horsetail Falls in Yosemite National Park where the waterfall glows like lava a few minutes before sunset.