The catalog of gravitational waves "heard" by LIGO, KAGRA and Virgo has doubled with detections of spacetime ripples.

Six years after its finale, Star Wars: The Clone Wars remains the creative foundation for modern Star Wars, from The ...

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.

Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other institutes have proposed a new way to address the Hubble tension by comparing ...

New 3D map of the early universe from HETDEX reveals faint hydrogen light linking galaxies 9 to 11 billion years ago.

Using the James Webb Space Telescope, an international team of researchers has discovered chemical fingerprints from enormous ...

A unique technique allowed astronomers to see the early universe as a "sea of light" and explore the effects of gravity and ...

Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and particles, including a ...

A new study explains how some supernovas are particularly dazzling—the glow from a magnetic, spinning ball of neutrons called a magnetar. An assist from Einstein is what settled the case ...

Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of physics.

Observations show the universe appears flat, yet its true size and global shape beyond the observable horizon may remain forever unknown.

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...