Due to the lapse in federal government funding, NASA is not updating this website. Astrophysics observations at ultraviolet (UV) wavelengths often probe the most dynamic aspects of the universe.

Due to the lapse in federal government funding, NASA is not updating this website. August 11 & 12 – Venus-Jupiter Conjunction – The two brightest planets have a close meetup over several days, ...

The (Proto) Planet: WISPIT 2b The Discovery: Researchers have discovered a young protoplanet called WISPIT 2b embedded in a ring-shaped gap in a disk encircling a young star. While theorists have ...

This exoplanetary encyclopedia — continuously updated, with more than 6,000 entries — combines interactive 3D models and detailed data on all confirmed exoplanets. When you select a planet’s name, see ...

Due to the lapse in federal government funding, NASA is not updating this website. An urban heat island occurs when a city experiences much warmer temperatures than nearby rural areas. The difference ...

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This is an artist's impression of a runaway supermassive black hole that was ejected from its host galaxy as a result of a tussle between it and two other black holes. As the black hole plows through ...

Due to the lapse in federal government funding, NASA is not updating this website. From the center of the solar system, rages a powerful wind. Sent by the Sun, this wind whips at speeds exceeding one ...

Due to the lapse in federal government funding, NASA is not updating this website. Light pollution has long troubled astronomers, who generally shy away from deep sky observing under full Moon skies.

Due to the lapse in federal government funding, NASA is not updating this website. On Feb. 14, 1990, NASA’s Voyager 1 spacecraft sent home a very special Valentine: A mosaic of 60 images that was ...

Climate time machine interactiveIn this "Climate Time Machine," we show how some of the key indicators of climate change - such as temperature, sea ice extent and carbon dioxide concentrations - have ...

This is the largest photomosaic ever assembled from Hubble Space Telescope observations. It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away. It took over ...