A Cornell physicist calculated new data from dark energy reviews, indicating the end of the universe within a few billion years in the future.

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

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?

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

What if the universe remembers? A bold new framework proposes that spacetime acts as a quantum memory. For over a hundred ...

It will be a view unlike any other — completely invisible, exceptionally quiet and utterly transformative. Deep in the first moments of the Big Bang, the entire cosmos shook and rumbled. Those quakes ...

Astronomers have discovered what may be the brightest object in the universe, a quasar with a black hole at its heart growing so fast that it swallows the equivalent of a sun a day. The ...

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