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

For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

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

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

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. Space is big, and ...

Did stars and galaxies give rise to black holes, or was it the other way around? New research may challenge ideas about how ...

Astronomers have discovered a significant “growth spurt” in a rogue planet outside of our solar system. The free-floating planet is currently consuming gas and dust from its surroundings at a rate of ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

In a recent study published in the Astrophysical Journalletters, scientists confirmed something both exhilarating and unsettling: the universe is expanding in a way that defies our most trusted models ...

The rare bird, spotted in a backyard in Texas, is the first known blue jay-green jay hybrid in the wild, according to a new ...

However we do not have to worry about the universe-obliterating Big Rip yet because if it happens it would happen in about 22 billion years.