The Universe might not exist forever. New observations by physicists indicate that it will one day reach its maximum size ...
Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...
If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...
Astrophysicists have presumed for nearly a century that the universe will just keep expanding for all eternity, driven by an invisible force called dark energy. But new data suggest that this is ...
It's a plot device beloved by science fiction: our entire universe might be a simulation running on some advanced ...
For two decades, scientists believed the cosmological constant, known as λ (lambda), was positive. That meant the Universe would keep expanding indefinitely.