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

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

The universe may not expand forever as scientists once believed. According to new calculations by Cornell physicist Henry Tye, the cosmos is approaching the midpoint of its 33-billion-year life and ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from ...

We know how the universe began. An event we call the Big Bang started it all about 13.8 billion years ago. How the universe ...

For a quarter century, cosmology has leaned on one framework to explain how the universe expands. Known as the ΛCDM model, it ...

DESI has made the largest 3D map of our universe. The Earth is at the central vertex, and every dot is a galaxy. DESI collaboration and KPNO/NOIRLab/NSF/AURA/R ...

We know that the universe is getting bigger. And we know that the speed that the universe is getting bigger is also getting bigger. The standard assumption is that the acceleration rate is itself ...

"The discovery of evolving dark energy would be as revolutionary as the discovery of the accelerated expansion of the universe itself, if confirmed." When you purchase through links on our site, we ...

A new research paper authored by Shajib challenges a long-standing assumption about the nature of dark energy.

Since the early 20th century, scientists have gathered compelling evidence that the universe is expanding at an accelerating ...