A new data release more than doubles the number of gravitational-wave candidate events—and reveals unexpected complexities of merging black holes ...

Scientists tracing small molecular clouds located near the Milky Way disc have “seen” the skeleton of the magnetic field surrounding them for the first time to better understand its ...

A soaring cosmic symphony surrounds us; its notes emerge from massive celestial objects crashing together hundreds of millions or even billions of light-years away. Ever since astronomers announced ...

Time is not what it appears to be. It is not a river carrying reality forward, but a structural framework within which ...

Even 200 years after asteroid 16 Psyche was discovered, astronomers continue to puzzle over its formation. Psyche is the 10th ...

This also means that there could be hidden curvatures of space-time or gravitational fields, which could explain a fundamental issue in physics: the hierarchy problem. There are several ongoing ...

For seven decades, every simulation produced the wrong answer, leaving physicists staring at tangled, chaotic fields while ...

An illustration of two stellar-mass black holes merging in the accretion disk of an active galactic nucleus. (Shu-Rui Zhang) ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University of São Paulo. It was 2018, and the discovery had just ...

Historically, prior to 1820, electricity and magnetism were thought to be separate entities of nature. On April 21, 1820, Hans Christian Oersted, a Danish physi ...

Something is hiding inside Kepler-51d, and it’s doing a remarkably good job of it. About 2,615 light-years away in the ...

An international team of astronomers has discovered one of the most primitive stars in terms of chemical composition — a second-generation object formed immediately after the first stars of the ...