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 ...

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...

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

When discussing the scale of the universe, we’re immediately faced with an intriguing question: are we tiny beings, or is the ...

The universe is approaching the midpoint of its 33-billion-year lifespan, a Cornell physicist calculates with new data from dark-energy observatories. After expanding to its peak size about 11 billion ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight.

Scientists have found a remarkably small yet bright object from the early universe that doesn’t make sense in our existing models of how stars and galaxies formed, even our own Milky Way. That means ...

Earth and the surrounding Milky Way galaxy may be sitting inside a cosmic void—a "mysterious giant hole"—that could be speeding up the universe's expansion in our region compared to others, This is ...