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 ...

To astronomers in the 1990s, these three facts were self-evident: The universe is expanding; all the matter in the universe ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that ...

Dark energy, the mysterious force driving the accelerated expansion of the universe, has puzzled scientists since its ...

Modern cosmology has precisely measured the universe's properties, yet dark matter and dark energy remain profound mysteries.

Just as ocean waves shape our shores, ripples in space-time may have once set the Universe on an evolutionary path that led ...

Astronomers just ruled out merging black holes as a possible solution to a giant discrepancy plaguing cosmology.

Researchers are using supercomputer simulations grounded in Einstein’s relativity to test scenarios about what may have ...

A new Utah Valley University study is providing new evidence in a debate astronomers across the world haven’t been able to agree on — how fast the universe is expanding. The findings may add ...