A novel theory suggests that the current expansion rate of the universe is not fixed, but was in fact quite different in 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 ...

We could go out with a crunch, and not a bang. Contrary to popular belief, our universe may not be constantly expanding after all. A groundbreaking study by South Korean researchers suggests that dark ...

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 ...

Cosmology is in crisis. The pillars of science’s most successful model of how the universe formed – and where it is heading – are starting to crack. One of those pillars is dark energy, a mysterious ...

Add Yahoo as a preferred source to see more of our stories on Google. A bright band of diffuse gamma ray glow along the map's center, which marks the central plane of the Milky Way galaxy, is seen in ...

A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe together. The ordinary matter all around us — stars, planets ...

When it comes to understanding the universe, what we know is only a sliver of the whole picture. Dark matter and dark energy make up about 95% of the universe, leaving only 5% "ordinary matter," or ...

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