If purple worlds indeed exist, the researchers argued that they would produce a distinctive light signature that our ground ...
This image, captured by the NASA/ESA Hubble Space Telescope, shows GAL-CLUS-022058s, located in the Fornax constellation of the southern hemisphere. This image, known as the Hubble eXtreme Deep Field ...
The spiral arms of nearby galaxy Messier 81 is captured by NASA's Spitzer Space Telescope. This galaxy is easily visible ...