The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new ...

Earth is the only known place where humanity exists — where humanity can exist. It is the only known place where laughter, ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

Roughly 400,000 years after the Big Bang, the universe cooled just enough to allow photons to escape from the primordial ...

Our universe is really only two-dimensional ... Dark energy takes up roughly 70% of the energy density of the entire cosmos.

They have shown that in certain theories, the entire Universe can be trapped in a state of eternal inflation, inhospitable to life. In other cases, quantum fluctuations may trigger the formation of ...

Every three nights, the telescope will image the entire visible sky ... two of the most stubborn and mysterious features of our universe. “The Vera Rubin Observatory will enable astronomers ...

Using our "mirror" hypothesis, Boyle and I managed to extend their arguments to cosmology and to calculate the entropy of entire universes. To our surprise, the universe with the highest entropy ...

The chances of intelligent life emerging in our Universe -- and in any hypothetical ... matter converted into stars over the entire history of the Universe, for different dark energy densities.