Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

An artist's impression of a magnetar with a wobbly accretion disk. (Joseph Farah and Curtis McCully) A never-before-seen ...

Researchers have identified a potential mechanism that explains how turbulent plasma can produce the vast, ordered magnetic fields observed across the universe Cosmic magnetic fields are everywhere, ...

Scientists using NASA's James Webb Space Telescope now think the "little red dots" spotted in the early universe could be a new kind of space object. They call it a "black hole star." - T. Müller / A.

In a recent study published in the Astrophysical Journalletters, scientists confirmed something both exhilarating and unsettling: the universe is expanding in a way that defies our most trusted models ...

Introduction -- Hubble's universe -- Hubble's top science accomplishments -- The message of starlight -- Crucibles of creation -- Starry tapestry -- Blaze of glory -- Hubble's invisible universe -- ...