The big bang wasn’t the start of everything, but it has been impossible to see what came before. Now a new kind of cosmology is lifting the veil on the beginning of time ...

It's the second most energetic cosmic ray ever to be detected striking Earth.

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

Scientists have named two systems of colliding supermassive black holes after Lord of the Rings locations, Gondor and Rohan.

Earlier this week, science writer Paul Sutter covered a bold new study that leans toward so‑called “fuzzy” dark matter as the hidden backbone of the cosmos. The research team compared three leading ...

Discover seven unusual galaxies defying scientific predictions, from impossibly bright early universe objects to astrophysics ...

Dating to only a billion years after the big bang, JADES-ID1 may be the earliest, most distant galaxy protocluster astronomers have ever seen ...

Galactic filaments are the largest known structures in the universe — vast strands of galaxies and dark matter stretching ...

Cosmic web Created using data from the JWST, this map shows how dark matter acts as the hidden framework on which visible ...

The details: The deal valued SpaceX at about $1 trillion, up from the roughly $800 billion cited in December; xAI was valued ...

Through the looking glass: In the faint distortions of distant galaxies, astronomers have glimpsed the scaffolding of the universe. A new high-resolution dark matter map, created using data from the ...