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 it is a galaxy, it would be the oldest known galaxy in the cosmos, but it could also be a brown dwarf or an early black ...

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

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

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 ...

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

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

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 ...

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

Scientists have developed a groundbreaking tool called Effort.jl that lets them simulate the structure of the universe using ...

The Simons Observatory is one of the most ambitious cosmic observatories on Earth, dedicated to studying the cosmic microwave ...