Mathematically correcting over- and underexposure in photographs

Almost anyone with a camera or smartphone is sure to have noticed that taking pictures in bright conditions, such as a sunny day, can cause a loss of highlight details (or overexposure) in bright regions and a loss of shadow ...

How a Hubble image goes from photons to finished beauty

How does raw data from the Hubble Space Telescope end up to become a finished gorgeous color image, like the one of Arp 274, above? It's an interesting process, because the cameras on Hubble do not take color pictures.

NASA sees brief life of Tropical Storm Olivia

Tropical Storm Olivia was a three-day tropical cyclone in the eastern Pacific Ocean. It was born on Oct. 6 and faded to a remnant low pressure system on Oct. 9. NASA's Aqua satellite captured an image of Olivia just after ...

35 years ago: Our first family portrait of the Earth and Moon

Thirty-five years ago today, September 18, 1977, NASA's Voyager 1 spacecraft turned its camera homeward just about two weeks after its launch, capturing the image above from a distance of 7.25 million miles (11.66 million ...

Orbiter views Curiosity Mars rover in color

(Phys.org) -- The first color image taken from orbit showing NASA's rover Curiosity on Mars includes details of the layered bedrock on the floor of Gale Crater that the rover is beginning to investigate.

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