Avi Loeb, a cosmologist who studied black holes and served as head of Harvard’s astronomy department until 2020, has been ...
The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...
Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...
The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...
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