Volume 4, Issue 2
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Giant Galaxies from the Universe's Childhood Challenge Cosmic Origin Stories
Large galaxies are thought to form gradually, across billions of years of cosmic time. So why do astronomers keep finding them in the youthful early universe?
Astronomer Avi Loeb Says Aliens Have Visited, and He's Not Kidding
In conversation, the Harvard University professor explains his shocking hypothesis—and calls out what he sees as a crisis in science
Telescopes on Far Side of the Moon Could Illuminate the Cosmic Dark Ages
Instruments deployed on missions to the lunar far side might give us an unprecedented view of the early universe