In a new study, scientists began pondering a pretty wild question: What if black holes can convert dead star matter into dark energy, the mystery force driving the acceleration of the expansion of the ...

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 ...

Well, we don’t really know what dark energy is, and we don’t know what early dark energy is, so it’s hard to say whether they’re the same or different. However, the family of ideas we’ve developed for ...

Dark energy is still one of the greatest cosmic mysteries. For all the time, money and telescopes that humanity has used to uncover its nature, scientists are still asking a fundamental question: What ...

But no one knows what dark energy actually is. One suggestion is that it might be a kind of energy associated with empty space known as the “ cosmological constant,” an idea first proposed by Albert ...