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 ...

Such an exponential expansion may seem minor, but it is equivalent to a grape in the palm of your hand swelling to become ...

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 ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

While scouring images from the James Webb Space Telescope, astronomers spotted Capotauro, "one of the most puzzling ...

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

Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

Researchers have moved one step closer to solving one of science’s greatest mysteries—why the universe is filled with matter instead of nothing. Scientists at Indiana University have made a major ...

If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe, and where is its center?

Astronomers have long thought the universe should look generally the same in every direction, but an anomaly in the radiation ...