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The freckled universe

05/06/25

There’s a new class of cosmic object in town. And it might just overturn our understanding of black holes and galaxy evolution.

08/22/13

Fermi’s first five years

In its first five years gazing at the gamma-ray sky, the Fermi Gamma-ray Space Telescope provided new insights into cosmic puzzles ranging from dark matter to blazars—and added a few new puzzles to the list. 

08/06/13

Big move

For a little over a month this summer, a huge electromagnet slowly journeyed from New York to Illinois, offering great photo opportunities along the way.