If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density ...

The Copernican Principle, named in honor of Nicolaus Copernicus (who proposed the heliocentric model of the Universe), states ...

In May 2019, astronomers picked up something strange in the fabric of spacetime. The LIGO and Virgo detectors recorded a ...

Wormhole researchers suggest that LIGO and Virgo instead picked up the signals of a black hole collision in a different ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized ...

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

Many scientists have rejected the fine-tuning argument. Italian physicist Carlo Rovelli described the idea that nothing would ...

The reasonable mind must hold that our universe has one beginning,' reads the thesis of the book, 'God, the Science, the ...

Physicists predict the universe’s expansion will reverse, ending in a dramatic big crunch about 20 billion years from now.

Euclid Consortium, the international group that manages the European Space Agency’s Euclid space telescope, has published the ...