Hubble Frontier Field Abell 2744 This long-exposure image from NASA's Hubble Space Telescope of massive galaxy cluster Abell 2744 is the deepest ever made of any cluster of galaxies. It shows some of the faintest and youngest galaxies ever detected in space. Image credit: NASA/ESA/STScI

Curious Kids: Where are all the other galaxies hidden?

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An artist’s impression of some of the thousands of exoplanets discovered by NASA’s Kepler Space Telescope. NASA/JPL

Exoplanet discovery by an amateur astronomer shows the power of citizen science

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A comparison of Earth to a Super-Earth, one of the options for Planet 9. NASA/JPL-Caltech/R. Hurt (SSC)

Stargazing citizens and scientists share the hunger to find Planet 9

Stargazing citizens and scientists share the hunger to find Planet 9 Astronomers predict the existence of Planet 9 based on data collected in the outer…

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