Though space is chock-full of interstellar medium, it tends to be invisible unless lit up by a celestial spotlight. Sometimes ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...

NASA’s Spitzer Telescope revealed the Milky Way’s hidden center, using infrared to uncover its dense, star-packed core. This ...

This background image of the region around supernova remnant Cassiopeia A was released by NASA’s Spitzer Space Telescope in 2008. By taking multiple images of this region over three years with ...

NASA’s James Webb Space Telescope’s mid-infrared view of interacting galaxies Arp 142 seems to sing in primary colors. NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel ...

The outer ring of the galaxy, which appeared smoother in images taken by the Spitzer Space Telescope, but lumpy in the Hubble visible light images, is revealed in infrared for the first time.

NASA's James Webb Space Telescope has captured highly detailed images showing the complex layers of interstellar dust and gas ...

This image of twin bubbles stretching 25,000 light-years from the galactic center was captured by NASA's Fermi Gamma-ray ...