SETI Institute communications specialist Beth Johnson welcomed Professor Dagomar Degroot, environmental historian at Georgetown University, for a discussion on his new book Ripples on the Cosmic Ocean ...

In the vast darkness of the early universe, a spiral of light named Zhúlóng offers a new glimpse into cosmic history. This galaxy, shaped like our Milky Way, formed just a billion years after the Big ...

Astronomers have made a groundbreaking discovery that could potentially reshape our understanding of the universe’s formative years. They have uncovered a hidden superheated star factory in the early ...

Could it be that the nature of the universe is tricking us, merely because of our location? The ongoing “Hubble tension” the intransigent discrepancy between the universe’s local and cosmic expansion ...

The spiral galaxy ESO 137-001 looks like a dandelion caught in a breeze in this new Hubble Space Telescope image. NASA, ESA, CXC NASA, ESA, CXC Astrophysicists from the University of Waterloo have ...

The deepest mysteries of the universe often begin with the biggest questions. Few are more puzzling than the birth of supermassive black holes. These giants, weighing millions to billions of times ...

The universe may not only be geometry and energy—but also memory. And in that memory, every moment of cosmic history may still be written. For more than a century, physics has been built on two great ...

A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in the early universe—and that the universe could start contracting at some point.

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Last year’s reports that the BICEP2 telescope had uncovered evidence for cosmic inflation turned out to be a false alarm, but researchers in the field haven’t given up. Matthew R Francis describes how ...