Discover why astronomy and cosmology are the universe's mapmakers. Discover how scientists trace galaxies, the cosmic web, and the large-scale architecture of our entire existence in three dimensions ...

The James Webb Space Telescope has confirmed the most distant, early galaxy in the known universe. The new contender, MoM-z14, is visible just 280 million years after the Big Bang.

An extremely early Type II supernova explosion, named after the Titan goddess of dawn in Greek mythology, occurred just 1 ...

Compared with the all-too-brief lifespan of 100 or so years for humans — and even less for most plants and animals — the age of the known universe is mindbogglingly long. Currently estimated to be ...

Learn how physicists recreated the early universe’s primordial soup, known as quark-gluon plasma, and discovered how it responds when particles race through it.

The image of Zhúlóng, the most distant spiral galaxy discovered to date. It has remarkably well-defined spiral arms, a central old bulge, and a large star-forming disk, resembling the structure of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronomers have long estimated that ordinary matter – basically, anything other than dark matter – makes up only a fraction of ...

Astronomers have discovered the oldest living star in the universe -- and, remarkably, it's situated right on our galactic doorstep, just 6,000 light years away, well within the Milky Way. The star, ...

Scientists have discovered the most powerful blasts of energy in the known universe. Dubbed extreme nuclear transients, or ENTs, the cosmic explosions are unprecedented in their intensity. They happen ...

Ordinary matter – basically, anything other than dark matter – makes up about 15% of all matter. But half of it has long been missing. Powerful bursts of radio waves emanating from 69 locations in the ...