Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

The James Webb Space Telescope just solved a ‘universe-breaking problem’ it created for astronomers more than two years ago.

New measurements show that the expansion rate of the universe is faster than can be explained by our current understanding of ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

In December 2022, less than six months after commencing science operations, NASA's James Webb Space Telescope revealed ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

Edwin Hubble's discovery of the expanding universe transformed cosmology, revealing countless galaxies and laying the ...

The article explores several potential scenarios for the end of the universe, including heat death, the Big Rip, the Big ...

Controversial new findings have reignited the longstanding cosmological quarrel involving what astronomers call the "Hubble ...