Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

The history of the Universe, as far back as we can see using a variety of tools and telescopes, out to the maximum present depth of SDSS. We are now up to SDSS-16, which can go all the way back to ...

Dark matter is an enigmatic form of matter not expected to emit light, yet it is essential to understanding how the rich ...

The first stars in the universe formed out of pristine hydrogen and helium clouds, in the first few hundred million years ...

Einstein’s version of dark energy is known as the cosmological constant. It implies a fixed amount of dark energy in each ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

Astronomers using the James Webb Space Telescope may have found the universe’s first “dark stars.” Within the first few ...

Recent observations made by the James Webb Space Telescope (JWST) have shed light on a potential breakthrough in cosmology: ...

Sometimes, the simplest explanation is the best one," Professor Gupta said. "Maybe the universe’s biggest secrets are just ...

A growing list of dark star candidates could help explain why some early galaxies were so big, so early in the universe.

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...