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 ...

The Universe might not exist forever. New observations by physicists indicate that it will one day reach its maximum size before beginning to contract. These results profoundly change our view ...

The Big Bang theory has dominated our understanding of the universe’s origin for almost 100 years. It describes a moment when ...

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

In 1929, Edwin Hubble discovered from observations of distant galaxies that the Universe was expanding. This baffled astronomers and the public alike. Then in 1998, another wrinkle: Two different ...

Scientists say they have figured out the universe’s ‘death date’, when everything we see in the night sky will disappear forever. The universe is believed to have originated in a fiery burst ...

If the universe as we know it started with the Big Bang, will it also have an end? If the universe as we know it started with the Big Bang, will it also have an end? And if it’s going to end someday - ...

Cosmologist Alex Vilenkin gave a lecture at the Hayden Planetarium in New York earlier this year called “The Universe and Beyond.” After the talk, my friends and I had the same reaction: “That was ...

The world could end as abruptly as it began, warn experts. All it would theoretically take is for a fundamental particle — the Higgs boson — to become destabilized, unleashing a huge energy bubble ...

More often than not, when we talk about the big events that have changed the universe we focus very much on the past. There’s the Big Bang, the emission of the Cosmic Microwave Background, and ...