Only about 5% of the universe is composed of normal matter that we can directly observe, while the remaining 95% is widely ...

Two billion years after the cosmos banged into existence, a mysterious force known as dark energy began shoving space outward ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have to use indirect evidence, like the explosions of Type Ia supernovae, to investigate the impacts of dark energy.

The big-idea explorers at Aperture decode dark energy and its mysterious role in stretching the universe beyond imagination.

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 ...

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 ...

For decades, astronomers have believed that dark matter and dark energy make up most of the universe, however, a new study suggests they might not exist at all. Instead, what we perceive as dark ...

Dark matter and dark energy make up 95% of the universe. Humanity has never directly detected either. The Nancy Grace Roman ...

Dark energy is one of those cosmological features that we are still learning about. While we can't see it directly, we can most famously observe its effects on the universe—primarily how it is causing ...

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...

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 ...

Ask most astronomers, and they’ll tell you that dark matter and dark energy make up more than 95 percent of the universe and that they are the explanations for many of the large-scale phenomena we ...