Cosmologists are quietly confronting a possibility that would have sounded absurd a generation ago: the standard picture of a ...

The latest generation of astronomy algorithms is not just cataloguing stars and galaxies, it is learning the hidden rules ...

In an unprecedented step, researchers crafted a detailed model compatible with the universe’s accelerated expansion.

WASHINGTON (Reuters) - New data involving millions of galaxies and luminous galactic cores is providing fresh evidence that the enigmatic and invisible cosmic force called dark energy - responsible ...

Scientists recently found that dark energy, the mysterious form driving the accelerating expansion of the universe, could be weakening over time. The findings could undermine the existing standard ...

Scientists are a step closer to solving one of the universe's biggest mysteries as new research finds evidence that two of ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help solve one of the biggest mysteries in physics: the origin of dark matter. In ...

A new AI-powered method is changing how scientists measure the universe. Developed by researchers at the Flatiron Institute and their partners, this technique offers a far more accurate way to ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By rethinking gravity and cosmic timelines, it could rewrite our ...

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.