R Aquarii: An Expanse of Light

This object is, in fact, a pair: a white dwarf star that steadily burns at a relatively cool temperature and a highly variable red giant.

The Sky This Week, 2022 February 1 - 8

Crescent Moon, imaged 2016 December 30 from Mollusk, Virginia with a Canon EOS Rebel T2i DSLR. The Moon waxes in the evening sky this week, coursi...

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Lightness of Being: Remembering Space Shuttle Columbia and Her Crew

​The bright Sun dissects the airglow above Earth's horizon in this view photographed with a digital still camera from during the STS-107 mission.

Learning How Ocean Water Melts Glaciers

To learn how ocean water is melting glaciers, NASA’s Oceans Melting Greenland mission extensively surveyed the coastline of the world’s largest island...

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Remembering Challenger and Her Crew

In this image taken in 1985, four members of the Challenger STS-51L crew train on the flight deck of the shuttle crew compartment.

Remembering Apollo 1

On Jan. 27, 1967, tragedy struck on the launch pad at Cape Kennedy during a preflight test for Apollo 204 (AS-204).

The Colors of Water

Much like the sky, rivers are rarely painted one color.

The Sky This Week, 2022 January 25 - February 1

Messier 35 and NGC 2158, imaged 2022 February 22 from Alexandria, Virginia with an Explore Scientific AR102 10.2-cm (4-inch) f/6.5 refractor and a...

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X-59 Wind Tunnel Testing at NASA Glenn

This colorized schlieren image is of a small-scale model of NASA’s X-59 Quiet SuperSonic Technology airplane.

Mercury is moving from Aquarius to Capricorn.

Mercury is moving from Aquarius to Capricorn in the next 24 hours. #Mercury #Capricorn #Aquarius