This week marks the last chance for backyard astronomers to see interstellar Comet 3I/ATLAS before it races on its journey ...
The moon turns new at 8:43 p.m. EST on Dec. 19 (0143 a.m. GMT on Dec. 20), giving stargazers the darkest skies of the month. Astrophotographers often obsess about the Milky Way's bright core, which is ...
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