Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

Dark energy and black holes are two of the most mysterious topics when it comes to space, but they might actually be linked. And causing the universe to expand.

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Hubble’s updated view of NGC 3370, richer in light and detail than ever before, deepens our understanding of both the galaxy and the cosmos itself. This new Hubble Picture of the Week highlights a ...

The ‘inflationary’ model of cosmology explains many large-scale features of the Universe as the result of a primordial period ...

Such an exponential expansion may seem minor, but it is equivalent to a grape in the palm of your hand swelling to become ...

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 ...

Plankton are the invisible engines of life on Earth, producing much of the planet's oxygen and forming the foundation of the ...

After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe would keep expanding indefinitely.