Physics World is delighted to announce its Top 10 Breakthroughs of the Year for 2025, which includes research in astronomy, ...

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The most extreme black hole collision ever recorded looked, at first, like it should not have happened at all. Two objects each weighing roughly as much as one hundred Suns crashed together in a ...

Some stars explode into a nova quickly; others can take more than a month. Scientists are only beginning to understand why.

Astronomers have used the James Webb Space Telescope (JWST) to discover that a distant "hot Jupiter" planet has two ...

The universe has no shortage of mysteries, many of which have puzzled us for ages. One of the biggest is the existence of ...

Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

University of Iowa researchers have discovered a method to "purify" photons, an advance that could make optical quantum ...

The cosmos has served up a gift for a group of scientists who have been searching for one of the most elusive phenomena in ...

The longest gamma-ray burst ever observed has UNC Chapel Hill astronomers questioning the very nature of these cosmic ...

Harvard astrophysicist Avi Loeb renewed his criticism of the scientific establishment this week, accusing leading astronomy ...

Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.