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Largest supernova dataset hints dark energy may be changing over time

It took about 50 exploding stars to upend cosmology. Researchers mapped and measured light from Type Ia supernovae, the ...

Pope Leo XIV marks 56th anniversary of moon landing with observatory visit, call to Buzz Aldrin

ROME (AP) — Pope Leo XIV marked the 56th anniversary of man’s arrival on the moon Sunday with a visit to the Vatican ...