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 ...

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 ...

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 ...

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, ...

Astronomers have long estimated that ordinary matter – basically, anything other than dark matter – makes up only a fraction of the known universe. The conclusion stemmed from a complex calculation ...