NASA has just released the first images from its Wide-field Infrared Survey Explorer (WISE). WISE's primary mission is to survey the entire sky in infrared, though it's also tasked with tracking asteroids, comets, and other objects.
Here the shortest-wavelength camera on WISE highlights the Andromeda galaxy's older stellar population in blue.
Trump Names Transportation Secretary Sean Duffy as Interim NASA Chief
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The selection of Secretary of Transportation Sean Duffy to temporarily lead
NASA adds to the deep political uncertainties already facing the space
agency
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