This Celestron Astromaster 130EQ is seriously discounted for Prime Day, perfect for moongazing or viewing this month's stunning Orionid meteor shower.

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The universe doesn’t revolve around Kitt Peak, but the observatory southwest of Tucson is at the center of what could be the biggest breakthrough in the study of the cosmos in decades. Using an ...

Now the nights are getting longer, it's the perfect time to start looking for your next telescope — especially with Black Friday taking place on November 28. When you purchase through links on our ...

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If an asteroid is on a collision course with the moon, what should humanity do? Try to nudge the space rock out of the way before it strikes? Obliterate it with a nuclear explosion? Those are the ...

Zhao and co-author Guang-Xing Li stumbled upon the galactic contrail when analyzing data collected by the Physics at High Angular Resolution of Nearby Galaxies (PHANGS) survey. Using a range of ...