Dark energy—the term used to describe whatever is causing the universe to expand at an increasing rate—is one of the universe's greatest mysteries. The most widely accepted theory currently suggests ...

For more than two decades, the standard model of cosmology has stood as a reliable guide to the universe. Known as Lambda Cold Dark Matter, or ΛCDM, it weaves together dark energy, dark matter, and ...

Add Yahoo as a preferred source to see more of our stories on Google. G299 Type Ia supernova remnant. Measurements from Type Ia supernovae, baryon acoustic oscillations (BAO), and the cosmic microwave ...

Astronomers working with the Dark Energy Spectroscopic Instrument, known as DESI, have found growing hints that dark energy, ...

A team of cosmologists in China has introduced a mathematical framework that investigates two of the deepest mysteries in ...

In the beginning, the Big Bang happened, sending everything in the universe expanding outward and apart, from a dense hot point. Since then, all that matter and energy has continued to move outward, ...

Dark energy is by far one of the most intriguing aspects of the cosmos that scientists are still trying to fully decode. While we're pretty sure that the universe is held together by the mysterious ...

Dark energy is responsible for the expansion of the Universe, but its true nature is still a subject of much debate. Computer simulations based on the latest astronomical data enable scientists to ...

Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

Dark matter is some kind of substance that has gravity—it holds galaxies together—yet cannot be directly seen with any ...

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it assumes about 70 percent of the cosmos is filled with an unseen force ...