The Best Home Generators Are a Big Investment. These Models Deliver Reliable Power During an Outage.

Prime Big Deal Days is underway, and we’ve already spotted some of the best generators we’ve tested on sale at Amazon. The best value generator, the Generac GP9500E Tri-Fuel Portable Generator, which ...
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Astronomers Uncover the Most Powerful “Odd Radio Circle” Ever Seen — And It Looks Like a Galactic Venn Diagram

When astronomers first started finding “odd radio circles,” or ORCs, they were baffled. These faint, ghostly rings of radio light seemed to float in deep space, surrounding galaxies like cosmic smoke ...