Cloudy Sulawesi, Indonesia

Cloudy Sulawesi, Indonesia

The International Space Station was crossing over the equator when an astronaut looked east and took this photograph just after sunrise. The strip of land outlined by morning sunglint is the northern […]

Valles Marineris, Mars

Mars

Mosaic of the Valles Marineris hemisphere of Mars projected into point perspective, a view similar to that which one would see from a spacecraft. The distance is 2500 kilometers from […]

M87 Black Hole

M87 black hole

This photograph of the M87 galaxy black hole is the first image of a black hole in history! This first image of a black hole shows a bright ring with […]

Great Barrier Reef, Australia

Great Barrier Reef, Australia (2017)

So extensive, it is visible from space, the Great Barrier Reef is the world’s largest coral reef ecosystem. Stretching 2,300 km along Australia’s northeast coastline, this complex of shallow water […]